Enable cheats
Whether cheats should be enabled or not. Regarding of this option, you can enable and disable individual cheats. However, if this option is disabled, they will never take effect.
Import cheats
Allows you to select a cheat database file to import cheats into the emulator. If you had previously imported any cheat database, all previously imported cheat will be deleted. After you import a cheat database, you can delete the file from your device and the cheats will still be available. Currently, only databases in the XML format are supported. One example of such database file can be found on GBATemp.