Inside the com.rockstargames.gtactw folder, look for a subfolder called . This is where the game stores its savegame0.sav and savegame1.sav data [11†L19-L20].
If your 100% save file is present but causes the game to crash or freeze on a black screen when loading, follow these steps to reset the game cache. gta chinatown wars 100 save game android fix