Welcome here, You may have ever played any game on your mobile phone. That games usually come with built in purchases and locked coins, money and cars. You no more need to download that kind of apps, You can download moded games and apk with unlocked and unlimited coins, such as i usually play asphalt nitro mod apk that i've downloaded from https://apkdone.biz/ this mod is fully working very amazing racing game. Enjoy!