We get a good new from Tronsmart that Lubuntu14.04 available on Orion R28 TV Box.
Lubuntu14.04 Beta for Orion R28_150430, download here:
Orion R28 updating tools, drivers & Instructions:
There are some testing pictures:
Multi tasks on Lubuntu
Local video playing
Internet video playing
They also confirm the following details
1. WIFI, Ethernet ok
2. Mouse, Keyboard, USB Hub, HDD ok
3. Orion original remote power on/offer, direction ok
4. Internet video playing , local video playing ok
5 4K video, some stutter. 1080p video ok.
6. Dolby&DTS ok.
If you have interest in Orion R28, just visit Geekbuying.