Some LBP Vita preview
http://www.insidegamingdaily.com/2012/08/24/littlebigplanet-ps-vita-hands-on/
http://www.playstationlifestyle.net/2012/08/08/littlebigplanet-vita-preview/
http://www.psu.com/a016480/LittleBigPlanet-PS-Vita-Preview
http://www.gamedynamo.com/article/preview/4127/2075/en/PlayStation_Vita/LittleBigPlanet
http://www.thesixthaxis.com/2012/08/08/preview-littlebigplanet-ps-vita/
http://www.gamesradar.com/littlebigplanet-vita-preview-creativity-you-can-touch/
PS4 - over 100 millions let's say 120m
Xbox One - 70m
Wii U - 25m
Vita - 15m if it will not get Final Fantasy Kingdoms Heart and Monster Hunter 20m otherwise
3DS - 80m