USB OTG UART RS-232 HyperTerminal V1.2 Tester for Android

New Feature in Version 1.2:
1. The input Character will directly send to UART Port, which's more easy for input.
2. You can press Volume Down to open Soft keyboard any time.
3. Add Control Key function:
Volume Down + 'A' ~ 'Z' = Ctrl+A (01) ~ Ctrl+Z(26).
Volume Down + ' ' = Code 00
Volume Down + 'Del' = [Esacpe] (27).
4. Add 10 set of Macro:
　Sending method: Volume Down + '0' ~ '9' = Macro 0 ~ Maro 9.
5. If you wants to send by HEX you can define it in Macro.
6. Add Drive Directory which enables users to set for search
　Most of the hardpoint should be "/dev/usb", if users ensure it's different then they can use this.

PS: This version still doesn't support FDTI Chip yet.