Yichao Ji

--THE LANGUAGE IN THIS APP IS CHINESE,WE WILL ADD ENGLISH SOON-- --------------------------------- HOPE PROJECT is executed by High School students in …

B-box Juke Box (v1.0) was the first Beat-Box app in AppStore. We have redesigned the entire app, now with a beautiful animated crystal-liked UI on iPh …

****Version 1.5 is here!****This is the world's first double keyboard piano with Score Book on iPad.________________________________________________we …

The latest work by the creator of the 5-star application Mammoth! Brings you delightful experience with innovational design!Are you still using chips …