For mobile phones built on Symbian S60 3rd edition onwards such as Nokia N73, N95, Samsung i560, i8910, etc.
For mobile phones using J2ME such as Samsung Star, Corby, Sony Ericsson Yari, Natie, etc.
For Blackberry phones such as Blackberry Pearl, Storm etc.
For the iPhone such as... well the iPhone (all versions)
For mobile phones built on Android such as HTC Hero, Samsung Galaxy, Motorola Droid etc.
For web applications accessed on IE, Firefox etc. on Windows PC
For web applications accessed on browsers on Mac computers
For geospatial features such as maps, POIs, geocode and reverse geocode(Imere API is part of all SDKs and you need this only if you are NOT selecting any SDKs)
Software Development Kits (SDKs) and API for location-based applications.