Yonggao Yang

Many people text to friends while they are walking. Occasionally they are so concentrating on their smartphone screen and not aware of their surroundi …

For English-speakers, this app can help you learn Chinese and assist you to communicate with local people while traveling in China.For Chinese-speaker …

This app is specially designed for PVAMU students, staff, and faculty who utilize the free PVAMU bus service operated by PVAMU. This app receives bus …

This app helps you practice 1-digit, 2-digit, and 3-digit integer calculation (+, -, x, /) without using pen and paper. It can assist you to build str …