我的钢琴 - 88键

任何地方、任何时间都可以带的88键钢琴。 只需你一按下载。-- added record and play function (the play function is 0.5 seconds per key, if more people use this app, I will add the add rhythm function and songbook being shown box) -- added laugh image -- the ad is harder to be shown -- the user intece are more clear and beautiful