Run Shoot Run! by 4U Games is a free action game for Android that allows players to choose their weapon and take down enemies to save hostages. The game is easy to play and offers a variety of weapons to choose from, including pistols, shotguns, and machine guns.

The game has several levels, each with a different set of enemies to defeat and hostages to save. As players progress through the levels, they can earn coins to upgrade their weapons and buy new ones. The graphics and sound effects are decent, and the game is overall quite enjoyable. The only downside is that there are ads that pop up between levels, which can be a bit annoying.

Overall, Run Shoot Run! is a fun action game that offers a good challenge and a variety of weapons to choose from. It's a great way to pass the time and can be quite addictive.