latest version
===========
1.optimize power saving
0.5.25
==========
1. add hongkong、china servers
0.5.24
====================
1.optimize bandwidth, improve youtube performance
0.5.23
====================
add South Korea servers
0.5.22
====================
add uk,japan,taiwan servers
0.5.21
=====================
fixed payment bug
0.5.20
=====================
built-in google checkout for payment