Example applets ideas

### Simon game

The [Simon](https://en.wikipedia.org/wiki/Simon_(game)) game shows a LED pattern to be reproduced with buttons.

To make it portable, the mapping between LEDs and buttons is done before playing the game and persisted in storage. If there is no configuration in store, each LED will start blinking until a button is pressed, associating that button to that LED, then the next LED will start blinking, and so on. Once all LEDs are configured or there are no more buttons to associate, the game will start.

Some design using timings, buttons, and LEDs need to be done to decide when to start the next level and how to show whether the answer was correct or not.