Anurag your working on mobile testing or planning to start on mobile testing or you just need information.
Now as you asked your question very plainly, do think the answer will will be simple or with few bullets points.
There are lots of things needs to understand before you start with your test stategy.
Dynamic Composition of mobile
Wireless Connectors
Mobile distributed system and configurations
Memory handling
Ad-on softwares
and list will keep on going. If I ask you whats your stategy for web based application what you will wirte, unless untill I mention whats my scope and what kind of enviorment I am using.
So when you rasie your question try to add more meat to it.