(Alternatively, some MODs require data to be placed in the Android > data folder. Check the instructions on the specific download page you used.)
The mod replaces the Ganton Gym with a miniature replica of the Harmandir Sahib (Golden Temple). Instead of lifting weights, you listen to Gurbani (softly) while planning heists.
Rockstar Games has not released an official "Amritsar" version of GTA San Andreas. The mod is a fan-made creation. Therefore, you cannot find it on the Google Play Store.
Works on most modern versions, though newer versions (Android 11–14) may require specific file managers like ZArchiver to access "Data" and "OBB" folders. How to Install GTA San Andreas Mods on Android
If you're ready to experience the classic GTA gameplay on your Android device in Amritsar, head to the Google Play Store and download GTA San Andreas today!