saisoku toitoihou

You head for ron with yaku "toitoihou" as faster as possible.This game has only yaku "toitoihou".You can only calling "pon" when you have two same tiles.Rules:You have 13 tiles and you can ron if you have yaku "toitoihou"."toitoihou" is three same tiles * 4 and 1 pair.example) 11122233344455.If you pon by touch falling tile, you have to throw tile from your tehai.If you connect with google plus sign in, you can push your score to global ranking.Please connect with it.