diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb46b1a..ee4b3b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,6 +79,7 @@ add_resources(vitashell_res
 add_executable(VitaShell
   ${vitashell_res}
   main.c
+  pfs.c
   main_context.c
   browser.c
   init.c
diff --git a/browser.c b/browser.c
index 14935b4..6809ad7 100644
--- a/browser.c
+++ b/browser.c
@@ -44,6 +44,7 @@
 #include "coredump.h"
 #include "usb.h"
 #include "qr.h"
+#include "pfs.h"
 
 // File lists
 FileList file_list, mark_list, copy_list, install_list;
diff --git a/main.c b/main.c
index 786262a..e6fd1e0 100644
--- a/main.c
+++ b/main.c
@@ -46,6 +46,7 @@
 #include "coredump.h"
 #include "usb.h"
 #include "qr.h"
+#include "pfs.h"
 
 int _newlib_heap_size_user = 128 * 1024 * 1024;
 
diff --git a/main_context.c b/main_context.c
index 15c569d..be0fd5e 100644
--- a/main_context.c
+++ b/main_context.c
@@ -29,10 +29,7 @@
 #include "ime_dialog.h"
 #include "utils.h"
 #include "usb.h"
-
-char pfs_mounted_path[MAX_PATH_LENGTH];
-char pfs_mount_point[MAX_MOUNT_POINT_LENGTH];
-int read_only = 0;
+#include "pfs.h"
 
 enum MenuHomeEntrys {
   MENU_HOME_ENTRY_REFRESH_LIVEAREA,
@@ -241,85 +238,6 @@ ContextMenu context_menu_new = {
   .sel = -1,
 };
 
-/*
-  SceAppMgr mount IDs:
-  0x64: ux0:picture
-  0x65: ur0:user/00/psnfriend
-  0x66: ur0:user/00/psnmsg
-  0x69: ux0:music
-  0x6E: ux0:appmeta
-  0xC8: ur0:temp/sqlite
-  0xCD: ux0:cache
-  0x12E: ur0:user/00/trophy/data/sce_trop
-  0x12F: ur0:user/00/trophy/data
-  0x3E8: ux0:app, vs0:app, gro0:app
-  0x3E9: ux0:patch
-  0x3EB: ?
-  0x3EA: ux0:addcont
-  0x3EC: ux0:theme
-  0x3ED: ux0:user/00/savedata
-  0x3EE: ur0:user/00/savedata
-  0x3EF: vs0:sys/external
-  0x3F0: vs0:data/external
-*/
-
-int known_pfs_ids[] = {
-  0x6E,
-  0x12E,
-  0x12F,
-  0x3ED,
-};
-
-int pfsMount(const char *path) {
-  int res;
-  char work_path[MAX_PATH_LENGTH];
-  char klicensee[0x10];
-  char license_buf[0x200];
-  ShellMountIdArgs args;
-
-  memset(klicensee, 0, sizeof(klicensee));
-
-/*
-  snprintf(work_path, MAX_PATH_LENGTH, "%ssce_sys/package/work.bin", path);
-  if (ReadFile(work_path, license_buf, sizeof(license_buf)) == sizeof(license_buf)) {
-    int res = shellUserGetRifVitaKey(license_buf, klicensee);
-    debugPrintf("read license: 0x%08X\n", res);
-  }
-*/
-  args.process_titleid = VITASHELL_TITLEID;
-  args.path = path;
-  args.desired_mount_point = NULL;
-  args.klicensee = klicensee;
-  args.mount_point = pfs_mount_point;
-
-  read_only = 0;
-
-  int i;
-  for (i = 0; i < sizeof(known_pfs_ids) / sizeof(int); i++) {
-    args.id = known_pfs_ids[i];
-
-    res = shellUserMountById(&args);
-    if (res >= 0)
-      return res;
-  }
-
-  read_only = 1;
-  return sceAppMgrGameDataMount(path, 0, 0, pfs_mount_point);
-}
-
-int pfsUmount() {
-  if (pfs_mount_point[0] == 0)
-    return -1;
-
-  int res = sceAppMgrUmount(pfs_mount_point);
-  if (res >= 0) {
-    memset(pfs_mount_point, 0, sizeof(pfs_mount_point));
-    memset(pfs_mounted_path, 0, sizeof(pfs_mounted_path));
-  }
-
-  return res;
-}
-
 void initContextMenuWidth() {
   int i;
 
diff --git a/main_context.h b/main_context.h
index 94d349d..d52be97 100644
--- a/main_context.h
+++ b/main_context.h
@@ -21,16 +21,11 @@
 
 #include "context_menu.h"
 
-extern char pfs_mounted_path[MAX_PATH_LENGTH];
-
 extern ContextMenu context_menu_home;
 extern ContextMenu context_menu_main;
 extern ContextMenu context_menu_sort;
 extern ContextMenu context_menu_more;
 
-int pfsMount(const char *path);
-int pfsUmount();
-
 void initContextMenuWidth();
 void setContextMenuHomeVisibilities();
 void setContextMenuMainVisibilities();
diff --git a/pfs.c b/pfs.c
new file mode 100644
index 0000000..b162a10
--- /dev/null
+++ b/pfs.c
@@ -0,0 +1,99 @@
+/*
+  VitaShell
+  Copyright (C) 2015-2018, TheFloW
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "main.h"
+#include "pfs.h"
+
+/*
+  SceAppMgr mount IDs:
+  0x64: ux0:picture
+  0x65: ur0:user/00/psnfriend
+  0x66: ur0:user/00/psnmsg
+  0x69: ux0:music
+  0x6E: ux0:appmeta
+  0xC8: ur0:temp/sqlite
+  0xCD: ux0:cache
+  0x12E: ur0:user/00/trophy/data/sce_trop
+  0x12F: ur0:user/00/trophy/data
+  0x3E8: ux0:app, vs0:app, gro0:app
+  0x3E9: ux0:patch
+  0x3EB: ?
+  0x3EA: ux0:addcont
+  0x3EC: ux0:theme
+  0x3ED: ux0:user/00/savedata
+  0x3EE: ur0:user/00/savedata
+  0x3EF: vs0:sys/external
+  0x3F0: vs0:data/external
+*/
+
+int known_pfs_ids[] = {
+  0x6E,
+  0x12E,
+  0x12F,
+  0x3ED,
+};
+
+int pfsMount(const char *path) {
+  int res;
+  char work_path[MAX_PATH_LENGTH];
+  char klicensee[0x10];
+  char license_buf[0x200];
+  ShellMountIdArgs args;
+
+  memset(klicensee, 0, sizeof(klicensee));
+
+/*
+  snprintf(work_path, MAX_PATH_LENGTH, "%ssce_sys/package/work.bin", path);
+  if (ReadFile(work_path, license_buf, sizeof(license_buf)) == sizeof(license_buf)) {
+    int res = shellUserGetRifVitaKey(license_buf, klicensee);
+    debugPrintf("read license: 0x%08X\n", res);
+  }
+*/
+  args.process_titleid = VITASHELL_TITLEID;
+  args.path = path;
+  args.desired_mount_point = NULL;
+  args.klicensee = klicensee;
+  args.mount_point = pfs_mount_point;
+
+  read_only = 0;
+
+  int i;
+  for (i = 0; i < sizeof(known_pfs_ids) / sizeof(int); i++) {
+    args.id = known_pfs_ids[i];
+
+    res = shellUserMountById(&args);
+    if (res >= 0)
+      return res;
+  }
+
+  read_only = 1;
+  return sceAppMgrGameDataMount(path, 0, 0, pfs_mount_point);
+}
+
+int pfsUmount() {
+  if (pfs_mount_point[0] == 0)
+    return -1;
+
+  int res = sceAppMgrUmount(pfs_mount_point);
+  if (res >= 0) {
+    memset(pfs_mount_point, 0, sizeof(pfs_mount_point));
+    memset(pfs_mounted_path, 0, sizeof(pfs_mounted_path));
+  }
+
+  return res;
+}
\ No newline at end of file
diff --git a/pfs.h b/pfs.h
new file mode 100644
index 0000000..c1bc491
--- /dev/null
+++ b/pfs.h
@@ -0,0 +1,30 @@
+/*
+  VitaShell
+  Copyright (C) 2015-2018, TheFloW
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __PFS_H__
+#define __PFS_H__
+
+char pfs_mounted_path[MAX_PATH_LENGTH];
+char pfs_mount_point[MAX_MOUNT_POINT_LENGTH];
+int read_only;
+
+int known_pfs_ids[4];
+int pfsMount(const char *path);
+int pfsUmount();
+
+#endif
diff --git a/refresh.c b/refresh.c
index 7d213c4..e38f060 100644
--- a/refresh.c
+++ b/refresh.c
@@ -2,6 +2,7 @@
   VitaShell
   Copyright (C) 2015-2018, TheFloW
   Copyright (C) 2017, VitaSmith
+  Copyright (C) 2018, TheRadziu
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -28,11 +29,13 @@
 #include "language.h"
 #include "utils.h"
 #include "rif.h"
+#include "pfs.h"
 
 // Note: The promotion process is *VERY* sensitive to the directories used below
 // Don't change them unless you know what you are doing!
 #define APP_TEMP "ux0:temp/app"
 #define DLC_TEMP "ux0:temp/addcont"
+#define PATCH_TEMP "ux0:temp/patch"
 #define PSM_TEMP "ux0:temp/psm"
 #define THEME_TEMP "ux0:temp/theme"
 
@@ -55,6 +58,9 @@ int isCustomHomebrew(const char* path)
 int refreshNeeded(const char *app_path, const char* content_type)
 {
   char sfo_path[MAX_PATH_LENGTH];
+  char appmeta_path[MAX_PATH_LENGTH];
+  char appmeta_param[MAX_PATH_LENGTH];
+  int mounted_appmeta;
 
   // Read param.sfo
   snprintf(sfo_path, MAX_PATH_LENGTH, "%s/sce_sys/param.sfo", app_path);
@@ -64,15 +70,16 @@ int refreshNeeded(const char *app_path, const char* content_type)
     return sfo_size;
 
   // Get title and content ids
-  char titleid[12], contentid[50];
+  char titleid[12], contentid[50], appver[8];
   getSfoString(sfo_buffer, "TITLE_ID", titleid, sizeof(titleid));
   getSfoString(sfo_buffer, "CONTENT_ID", contentid, sizeof(contentid));
+  getSfoString(sfo_buffer, "APP_VER", appver, sizeof(appver));
 
   // Free sfo buffer
   free(sfo_buffer);
 
-  // Check if app exists
-  if (checkAppExist(titleid)) {
+  // Check if app or dlc exists
+  if (((strcmp(content_type, "app") == 0)||(strcmp(content_type, "dlc") == 0))&&(checkAppExist(titleid))) {
     char rif_name[48];
 
     uint64_t aid;
@@ -96,7 +103,29 @@ int refreshNeeded(const char *app_path, const char* content_type)
     if (checkFileExist(sfo_path))
       return 0;
   }
-
+  
+  // Check if patch for installed app exists
+  else if (strcmp(content_type, "patch") == 0) {
+    if (!checkAppExist(titleid))
+      return 0;
+	if (checkFileExist(sfo_path)) {
+      snprintf(appmeta_path, MAX_PATH_LENGTH, "ux0:appmeta/%s", titleid);
+      pfsUmount();
+      if(pfsMount(appmeta_path)<0)
+        return 0;
+      //Now read it
+	  snprintf(appmeta_param, MAX_PATH_LENGTH, "ux0:appmeta/%s/param.sfo", titleid);
+      int sfo_size = allocateReadFile(appmeta_param, &sfo_buffer);
+      if (sfo_size < 0)
+        return sfo_size;
+      char promoted_appver[8];
+      getSfoString(sfo_buffer, "APP_VER", promoted_appver, sizeof(promoted_appver));
+      pfsUmount();
+	  //Finally compare it
+	  if (strcmp(appver, promoted_appver) == 0)
+	    return 0;
+    }
+  }
   return 1;
 }
 
@@ -131,7 +160,7 @@ int refreshApp(const char *app_path)
     free(sfo_buffer);
   }
 
-  // Promote vita app/vita dlc
+  // Promote vita app/vita dlc/vita patch (if needed)
   res = promoteApp(app_path);
   return (res < 0) ? res : 1;
 }
@@ -274,6 +303,29 @@ void dlc_callback_outer(void* data, const char* dir, const char* subdir)
   }
 }
 
+void patch_callback(void* data, const char* dir, const char* subdir)
+{
+  refresh_data_t *refresh_data = (refresh_data_t*)data;
+  char path[MAX_PATH_LENGTH];
+
+  if (refresh_data->refresh_pass) {
+    snprintf(path, MAX_PATH_LENGTH, "%s/%s", dir, subdir);
+    if (refreshNeeded(path, "patch")) {
+      // Move the directory to temp for installation
+      removePath(PATCH_TEMP, NULL);
+      sceIoRename(path, PATCH_TEMP);
+      if (refreshApp(PATCH_TEMP) == 1)
+        refresh_data->refreshed++;
+      else
+        // Restore folder on error
+        sceIoRename(PATCH_TEMP, path);
+    }
+    SetProgress(++refresh_data->processed, refresh_data->count);
+  } else {
+    refresh_data->count++;
+  }
+}
+
 int refresh_thread(SceSize args, void *argp) 
 {
   SceUID thid = -1;
@@ -294,12 +346,17 @@ int refresh_thread(SceSize args, void *argp)
   if (parse_dir_with_callback(SCE_S_IFDIR, "ux0:addcont", dlc_callback_outer, &refresh_data) < 0)
     goto EXIT;
 
+  // Get the patch count
+  if (parse_dir_with_callback(SCE_S_IFDIR, "ux0:patch", patch_callback, &refresh_data) < 0)
+    goto EXIT;
+
   // Update thread
   thid = createStartUpdateThread(refresh_data.count, 0);
 
   // Make sure we have the temp directories we need
   sceIoMkdir("ux0:temp", 0006);
   sceIoMkdir("ux0:temp/addcont", 0006);
+  sceIoMkdir("ux0:temp/patch", 0006);
   refresh_data.refresh_pass = 1;
 
   // Refresh apps
@@ -309,8 +366,13 @@ int refresh_thread(SceSize args, void *argp)
   // Refresh dlc
   if (parse_dir_with_callback(SCE_S_IFDIR, "ux0:addcont", dlc_callback_outer, &refresh_data) < 0)
     goto EXIT;
+	
+  // Refresh patch
+  if (parse_dir_with_callback(SCE_S_IFDIR, "ux0:patch", patch_callback, &refresh_data) < 0)
+    goto EXIT;
 
   sceIoRmdir("ux0:temp/addcont");
+  sceIoRmdir("ux0:temp/patch");
 
   // Set progress to 100%
   sceMsgDialogProgressBarSetValue(SCE_MSG_DIALOG_PROGRESSBAR_TARGET_BAR_DEFAULT, 100);