It is normal that after launch titles a console will face a period of time before a second wave of videogames comes forth.
WiiU had a game drought after the release of it's launch games that lasted months and that was felt by some Nintendo fans.
How long of a period would you consider reasonable by Nintendo to produce a next wave of games after the NX launch?
Nintendo is selling their IPs to Microsoft and this is true because:
http://gamrconnect.vgchartz.com/thread.php?id=221391&page=1