2014-09-05 - v2.0:

Based on android SDK  MarsBoard-A20-android-4.2.2-SDK-V2.0.tar.gz

add MIC recording
add USB OTG ADB

2014-07-05 - v1.0:

Based on android SDK  MarsBoard-A20-MarsPi-android-4.2.2-sdk.tar.gz

Features
-sd card
-TV IN, android APK
-usb debug
-SATA
-USB host support Mouse and keyboard
-usb wifi 8188eu support
-HDMI 1080p, VGA, HY070CTP-HD, support
-Audio Output: HDMI, Audio
-Ethernet support
-HY070CTP-HD， 5 point capacitive touch support