TODO.txt

 - other screens: intro, high scores, etc..
   - high score name input. Gdx.input.getTextInput
 - cycle colors of logo:  using basic anim
 - loading screen, list source of fruity.BAS
 - music in level 7 is too short
 - sound
 - add a small probability for monsters to reverse dir
 - save game state
 - anim when Frank dies: screen goes to black from the outside
 - monster should stop a bit when hitting a wall or another monster
 - make sure all fruits are accessible?
 - redo all screenshots,
   * not using "ActiveX streching in WinAPE"...
   * using "half display size"
   * full screen screenshot, cut things in Krita, zoomed
   * then shring all images by 2 horizontally
 - let monsters dig
 - let monsters go for Frank? only fraise
 - falling prune
 - 3 balls mode: one for each remaining life
 - machine gun mode
 - bonus and fraise monsters
 - ktx-async use it to load assets
 - kdx: use ashley?
 - proguard?
 - icon
 - publish to Google Play?