Ok so many things have changed recently with ex-builder. when V4 is released we are not specifically confined to windows in order to run our robots. A while back there was a small computer mentioned but was written off because it only ran android and linux. However now i think it may be a great option for someone trying to run an onboard computer! its only $60 too...
Thread where it was mentioned:
website to company:
i could be completely wrong in thinking this could work... but for the price i really hope that it does! 
Specifications:
Processor Samsung Exynos4412 Prime Cortex-A9 Quad Core 1.7Ghz with 1MB L2 cache Memory 2048MB(2GB) LP-DDR2 880Mega data rate 3D Accelerator Mali-400 Quad Core 440MHz Video supports 1080p via HDMI cable(H.264+AAC based MP4 container format) Video Out micro HDMI connector Audio Standard 3.5mm headphone jack HDMI Digital LAN 10/100Mbps Ethernet with RJ-45 Jack ( Auto-MDIX support) USB2.0 Host High speed standard A type connector x 3 ports USB2.0 Device ADB/Mass storage(Micro USB) Display HDMI monitor Storage (Option) MicroSD Card Slot eMMC module socket Power (Option) 5V 2A Power System Software Linux : Xubuntu 13.10 or latest version Android : u-boot 2010.12, Kernel 3.0.x, Android 4.x Full source code is available now. PCB Size 83 x 48 mm Weight 48g including the heat sink
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This is interesting! You could put the ARC app on the android software.
That's what I'm thinking as well! the only concern I had was if we could program the ARC app/project to open on startup....
This is not an endorsement because I haven't tried this, and certainly haven't yet tried with ARC, but this looks to fit the bill for auto-starting any Android app of your choice on boot up:
www.addictivetips.com/mobile/auto-launch-an-android-app-of-choice-upon-system-reboot-via-auto-start/
Alan
that's perfect eek I will have to try it with the app version we have now.
Just pointing this out but there are hundreds of android "pc" devices and also android TV devices that are very small and will run ARC. I would recommend you get one of at least 1.0ghz dual core cpu if not a quad core.
Will these android "pc" devices run a Voice recognition app as well.....Are we saying goodbye to windows OS?
Not just yet I robot , windows has more power and will handle much more going on at one time. Plus it can run 5 boards at once for either a complicated project or up to 5 individual ones.
And windows is still required to actually program your project... I believe the android app can only "run" the project
Yatzee! Robot56