[Android] Free: Ruby Square: Logic Puzzle Game: 700 Levels (Was $1.49) @ Google Play

Ruby Square: Logic Puzzle Game: 700 Levels is free for a limited time.

Ready for 700+ brain-teasing puzzles? This logical game will transform your smartphone into a digital Ruby Square.
It is extremely easy to understand: you have to rotate blocks of squares to match a certain pattern. The difficult part is doing that in as few moves as possible, below the world average.
Ruby Square sharpens your brain and helps you improve your memory and concentration. It is ideal for players of all ages, as a fun way to practice your puzzle solving skills.

Main features:
✔ Ruby square gameplay: the goal is to match a targeted pattern by rotating blocks of squares on a shuffled board.
✔ Hundreds of levels: the game has currently 8 different stages with various difficulties, each with 50 to 100 levels. In total, no less than 700 puzzles to solve.
✔ Various difficulties: choose between Easy, Medium, Hard or Extreme levels, depending on how good you are. Various block sizes (2x2, 3x3, 4x4) and board sizes (16 to 64).
✔ Compare scores: each level shows the world average moves to solve that. Can you master them?
✔ Colour-blind friendly: Ruby Square uses a colourful palette that is colourblind thus friendly for those with impaired colour vision. Ruby Square sharpens your mind, while relaxing your eyes.

Enjoy the full screen. This Premium version has no Ads on the game screen.

via Being Askhole at OzBargain