Three rubles: coin puzzle

Indy coin puzzle match game.
You have game field with soviet coins of different nominal.
The goal is to collect three ruble coins by connecting coins and getting coin of bigger nominal.
If you have joined rubles on board and have no moves / idea to connect rest, you can change joined rubles back to random coins on game board. You can connect from 2 up to 5 nearby coins.
There are 5 difficulty levels in game, from easy to very hard.
On easy levels you can connect every kind of coins. On higher levels only same color / same nominal coins joining.
Game has two interface languages: English and Russian.
Game progress saving in game data on device.
Player can share his level score achievement (or win game achievement) in Facebook.
Game screens and graphics optimized for android phones and tablets.