Android online action games

This is a web extension that contains the integration of several Android games that can be play online using the ApkOnline android online emulator:

Hills of Steel, in which you drive a tank over hills and destroy your enemies that appears in your way. You simulate a war, and defend your army and country.
Altos Adventure, in which you can go snowboarding with friends. It is a game in which you can ski through mountains, hills, villages and forests.
Knife Rush, in which you must throw knifes to hit some objects, and collect coins based on your success.
Metal Shooter, in which you act as a soldier. You are part of a commando, and help your group to collect guns and bullets.
Once upon a Tower, in which a princess wants to escape from a tower without waiting for a valiant knight.