У вашего броузера проблема в совместимости с HTML5
Cyber Knights has a new awesome features that allows you to customize the difficulty settings for your games. Want Perma-Death but don't want the rest of the game to be impossible? Or, want to play on Brutal, but hate dying forever? Want to insure the economy is booming but the monsters are insanely hard? This is the place for you.
See Cyber Knights on the Google Play market: https://market.android.com/details?id=com.tresebrothers.games.cyberknights&hl=en