A free program for Android, by Rockit Game Studio.

Real GYM Fighting Games is an arcade action game. Fight in the ring to become the world heavyweight champion. Use various fighting moves and techniques to defeat your opponents. Block and dodge the enemy kicks and punches to survive in the ring. The real boxing experience is a major part of this game, you can control the punches, and kicks with ease. The best part is that you have an incredible selection of moves and techniques to use. Use them to block and evade the enemy attacks.

This game has a very intuitive interface, you can easily control the movement of your character.