Playing games with devices is quite easy. Touch controls are effective on mobile games, but many times screen size is most meaningful on mobile games. If device screen is small your eyes may be strained if the characters in the game are too small. Most of games are notices this and try to optimize size of characters for mobile devices, but this is not always possible, if your game area or world is large.
Best handheld devices for games are tablets and if you playing games then we recommended to use tablets for games. All our games are universal games on iOS, so it will work on phones and tablets. So find the best gaming devices iOS here and Android here.