APK MOD INFO
Name of Game: RGB Express
VERSION: 1.4.2

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

RGB Express MOD APK 1.4.2 (Unlocked)

Manual Steps:
1. Install APK
2. Play

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