There a lot of ripped games...
You can see this original game Armageddon Wars for $ 2.99
This is a ripped game from Armageddon Wars, Armed Tank's Tactic for $ 6.99
If you want to contact the developer, they won't reply you or say "f*** *ff" then they DDoS to your personal or business website.
This is thread, we would discuss to get better practices about game development against chinese reverse enginnering.