Trex game is a running dinosaur compatible with all mobile phones. Android phones are better suited because chrome browser comes by default. The game needs a wekit browser to run. For best experience, use phones like Sony Xperia, Moto e, Moto X, Xiomi, Azus and Micromax. For mobile phones playing in landscape mode is best to get more play width. The game is pretty basic in terms of hardware demands so can be played in any entry level android phones. Any graphics processor available in even the cheapest phones would be sufficient to run the game without any lags. To start the game, press "Space" or tap on the screen which will also jump the Trex. Keep tapping to jump any time over the cacti and other hurdles that come along. So play Trex Game and enjoy.