A free app for Android, by Supersonic Studios LTD.

Become the fastest runner and the best Samurai in this fun game by Supersonic Studios. The app is called Samurai Flash and it is very addictive to play. With its simple mechanics, you will spend long hours trying to succeed at each level.

What you have to do is to outrun your opponents to the finish line. And if an enemy crosses your path, you have two swords to slice them in half. 

There are plenty of enemies to defeat and levels to complete. This app works on android phones and tablets. It is free to play and there are in-app purchases you can buy like character skins, accessories, etc.