At one point during the development of PewPew, I wanted the players to be able to enter their name for the online high scores and replays. At first I started to use the native iOS keyboard, and for a couple of months that's all there was. But because I always wanted to have as few OS-specific code as possible to make the porting to different OS as simple as possible, I decided to implement my own keyboard. It was going to be a lot of boring work though, so I kept postponing for later... And then, one day, I got in I saw this: Extract from Gunnm , a fantastic manga. I immediately wanted to have this keyboard in PewPew, and two days later it was done. And it looked great: custom keyboard = seamless integration. Besides the speed gain when porting to a new platform and the code simplification, there are many other advantages to having a custom keyboard. PewPew's font does not contain all the characters, so I can show only the characters that...