It looks like this might be the new Rolls Royce of hand held piggy tracking. It is is running a kickstarter now, 135 usd gets you a unit.
The Zero's operating system is OpenDingux,
CPU: Ingenic JZ4770 1 GHz MIPS processor
GPU: Vivante GC860, capable of OpenGL ES 2.0
Display: 3.5 inch LCD with 320x240 pixels; 4:3 aspect ratio is ideal for retro gaming
Memory: 256 MB DDR2
Internal storage: 8 GB, most of which is available for applications and data
External storage: micro SDHC up to 32 GB or micro SDXC of 64 GB (SDXC cards must be reformatted before use)
Mini USB 2.0 OTG
Mini HDMI 1.3 out
3.5 mm (mini jack) A/V port for earphone and analog TV-out
Stereo speakers, mono microphone
Accelerometer (g-sensor) and vibration motors
Wi-Fi 802.11 b/g/n 2.4 GHz, can connect to access point or direct device-to-device
Dimensions: 143 * 70 * 18 mm
Weight: 8 oz / 225 g
It looks like there have already been small production runs and there are several well known Dingoo / Caanoo hackers on the team. Could be awesome especially seeing as there isnt a current in production piggy friendly handheld!
Battery: 2800 mAh