Metal Slug is a Neo Geo Android Game.
Metal Slug is a series primarily of run and gun video games created by SNK. Spin-off games include a third-person shooter and a tower defense game. Originally created for Neo-Geo arcade machines and game consoles, the original games have also been ported to other consoles, with several later games created for various other platforms. The games focus on the Peregrine Falcon Squad, a small group of soldiers who fight against a rebel army, aliens and various other forces intent on world domination.