orange pi + 2e
Finally I got my Orange Pi+ 2e.
“It’s an open-source single-board computer. It can run Android 4.4 , Ubuntu, Debian, Rasberry Pi Image, it uses the AllWinner H3 SoC, and has 2GB DDR3 SDRAM”
You can order it from aliexpress. I bought this set and it works well ^_^