Digit symbol puzzle в Android Market

Digit symbol puzzle (v. 1.08) Разработано mole.software

This puzzle is based on simple mathematics.
Six equations are shown coded. Digits have been replaced by symbols.
Now you have to replace the icons with the digits 0 through 9 for the equations to be solved.
The only clues are the structure of the equations, the recurrence of symbols and the like.
Who is fast, cracks the code in 20 minutes.