File explorer of choice
Inf - Ammo (No Reload)
Inf - Money (Spend some in beltcase ie: medkit armour coating ect)
Inf - Medals (same as money to activate)
download the hacked binary ''zipped''
unzip and place the file in /var/mobile/Applications/Overkill 2/OVERKILL2_APPSTORE_133.app
Set permissions 777