Dang is a VoIP service brought to you by Regional Telecom Group, you can use it on different Operating Systems and across many devices.Free Calling & …
•學習鋼琴上播放您喜愛的歌曲•100來自不同時代和風格的歌曲來學習。•高度可配置的可調整大小的鍵盤,適合於所有的設備和平板電腦。•鋼琴,適用於所有的設備和平板電腦。(piano melody free - learn favorite songs and play by ear)*****其他特點* …