The temptation at this stage is to sit back and wait for our game to hit the top position in the best-selling apps. This never happens.

To ensure that our app achieves its full potential, we need to do the following continuously:

Improve it

We have already made quite a few improvements to the Snake game but there are many more, such as difficulty settings, music, debugging (did you see the occasionally wonky body segments?), settings menu, and so on. You can pay a professional to design backgrounds and sprites, or add more sound effects. When you have improved your Android and Java skills further, you can rewrite the entire game using a smoother engine and call it Version 2.

Promote it

This could be the subject of another book but there are so many ways we can spread the word about our app. We can create a page/profile on all the social media sites—Facebook, Twitter, Flickr, and so on. Add regular updates, announcements, challenges (see compulsion). We can create a website...