Cập nhật vào ngày Aug 1, 2015
In Version 5.7-5.8:
Possible crash fix for very small screens
In Version 5.6:
Mostly non-random reflections for enemy squares
In Version 5.5:
Invincibility at the initial position
Level selection indicators
Button to rate the app on Play store
In Version 5.3-5.4:
Optimised performance for screens with high pixel density
In Version 5.2:
Blackholes on the board
Better level selection at the start (if you know how to)
More progressive difficulty in levels
More regulated distribution of lives
