Flick Box

This is a simple puzzle game.

[RULES]
1. Let's flick and move boxes!
2. Boxes will vanish if there are 4 or more boxes of the same color in a row.
3. When the gauge on the under side of the screen reaches the left side, boxes fall.
4. By using double-tap, you can also fall boxes manually at any time.
5. According to the orientation of the smartphone, the falling direction changes.