The XXODD Nano Go 1 has a maximum resolution of nHD (640x360). That's 78% less resolution than the most frequently found native projector resolution of WXGA (1280x800).
There are a number of other multimedia projectors that have a resolution of nHD (640x360) that you might want to consider including the PPX2330, or the PPX2340/F7 both from Philips which have a better Kagoo Rating™.
Data projectors with a higher resolution that might be worth also looking at include the MobileCinema i50D (VGA (640x480 and higher rated) and higher rated), the MobileCinema A50P (VGA (640x480 and higher rated) and higher rated), or the PocketCinema V60 (VGA (640x480 and higher rated) and higher rated) all from Aiptek.
This projector's resolution (nHD (640x360)) is in fact the worst resolution amongst all multimedia projectors of a similar spec and age to the Nano Go 1.
Amongst comparable types of projector the best resolution is WUXGA (1920x1200).