PINE A64

• Suitable for someone who love DIY
• You can turn it into full android computer
• Small size
• Open source
• Save power because it consumed only 2.5 to 3.5 watts
• Affordable, it only cost you $15
• Memory: 512 MB but if you want more, you can choose PINE A64+ which cost only $19(1 GB)

Here's the introduction video:

https://ksr-video.imgix.net/projects/2120524/video-616152-h264_high.mp4