Nobody knows it yet, I guess I'm still the only beta tester: Skritter KTV is about to come.
The feature: Listen to your favourite Chinese song and have the lyrics right below the writing area. Of course, you've got to sing the song while skrittering.
Look at it on YouTube: http://www.youtube.com/watch?v=u1ihWeDnh3c
The song is the best thing about this, especially the accent, so you should really listen to it (I didn't manage to get the sound to YouTube as well)
It'my favourite kind of music, China Farmers' Metal Rock'n'roll: 中国农业金属摇滚):
http://v.ku6.com/show/AYNAqTOBQwDFhfDs.html (alternative link)
Here's the lyrics, really easy:
BTW: no, this statement is not endorsed by anyone in the Skritter team. And it's just 开玩笑 ...