After wasting a lot of money on this app ..all it wants is more money as all the funds just go ..it says bet big win big...THATS A NO NO .bet big loose quicker then buy more coins etc.DEFFO NOT RANDOM. there no way to win on this game unless you keep buying coin packages.I will be deleting this app and any other I have with this developer..just a con to get more and more from you..If you request a refund Google says no.I've emailed developer afew times never get a reply