APK MOD INFO
Name of Game: Winx Club: Winx Fairy School
VERSION: 2.1.0

Name of the cheat, mod, or hack (credits: wendgames):
-MOD MONEY/UNLOCKED

Winx Club: Winx Fairy School MOD APK 2.1.0 (Mod Money/Unlocked)

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