APK MOD INFO
Name of Game: Invasion: Modern Empire
VERSION: 1.28.5

Name of the cheat, mod, or hack (credits: wendgames):
-UNLIMITED ENERGY/FOOD/OIL

Invasion: Modern Empire MOD APK 1.28.5 (Unlimited Energy/Food/Oil)

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