docs: clarify readme

packages/android-jsc-intl/README.md

@@ -2,6 +2,8 @@
 
 Expo Config Plugin to auto configure [`android-jsc-intl`](https://www.npmjs.com/package/android-jsc-intl) when the native code is generated (`expo prebuild`).
 
+Adding this plugin lets you use `Intl` in your Android app, without using Hermes.
+
 ## Expo installation
 
 > Tested against Expo SDK 42
@@ -11,7 +13,7 @@ This package cannot be used in the "Expo Go" app because [it requires custom nat
 - First install the package with yarn, npm, or [`expo install`](https://docs.expo.io/workflow/expo-cli/#expo-install).
 
 ```sh
-expo install android-jsc-intl @config-plugins/android-jsc-intl
+expo install @config-plugins/android-jsc-intl
 ```
 
 After installing this npm package, add the [config plugin](https://docs.expo.io/guides/config-plugins/) to the [`plugins`](https://docs.expo.io/versions/latest/config/app/#plugins) array of your `app.json` or `app.config.js`:
@@ -25,26 +27,3 @@ After installing this npm package, add the [config plugin](https://docs.expo.io/
 ```
 
 Next, rebuild your app as described in the ["Adding custom native code"](https://docs.expo.io/workflow/customizing/) guide.
-
-## API
-
-The plugin provides props for extra customization. Every time you change the props or plugins, you'll need to rebuild (and `prebuild`) the native app. If no extra properties are added, defaults will be used.
-
-- `foobar` (_boolean_): Does XYZ. Default `false`.
-
-#### Example
-
-```json
-{
-  "expo": {
-    "plugins": [
-      [
-        "@config-plugins/android-jsc-intl",
-        {
-          // props ...
-        }
-      ]
-    ]
-  }
-}
-```