APK MOD INFO
Name of Game: bit Dungeon II
VERSION: 3.0

Name of the cheat, mod, or hack (credits: wendgames):
-MAX COINS/STATS/INVINCIBLE

bit Dungeon II MOD APK 3.0 (Max Coins/Stats/Invincible)

Download the CACHE file/OBB file. They should be .zip or .rar files.
Extract the file to your sdcard.
Move the extracted folder to the location: /sdcard/Android/obb