How to use step 1 Develop your HTML5 game or app the way you want. step 2 Test how it works directly on the device using our CocoonJS Launcher Apps for both iOS and Android. step 3 Upload your HTML5 code to our cloud-based platfom and we will deliver a final app or bundle for all of the stores. Easy Fast No installation needed No learning curve Try running your HTML5 game or app on mobile right now! Get results in just 10 minutes! Sign up!