A free app for Android, by SmarTech LCC.

Fast Gloo Wall is a simple app to help you quickly and easily enter key combinations for a variety of popular video games. The app provides a convenient way to set combinations of buttons to be pressed in order to control in-game actions, as well as to link multiple buttons to one button. You can even set the button to be pressed in order to perform different actions in the game, such as launching a specific weapon.

To set the key combinations, you can select a game and use the preset keys, or configure your own custom key combinations. In addition to the keys, you can also select which game you want to use the combination for, so you can get a unique gaming experience for each game.