Hi friends I am an android newbie and am having samsung galaxy 551 i5510 froyo 2.2 and using apps 2sd software to move most apps to sd card still the phone memory of 100 mb out of 170 MB is being used, any idea how to find out that where the 100 mb is being used? and to delete the logs, downloaded files etc, for eg if i install app from market where do the downloaded file gets stored in phone memory or sd card? because in windows after we install an app / software we usually delete the setup file as it will take space do the downloaded program file setup files get stored in phone memory give me more tips on how to keep more free space of phone memory.