Smartphones Apps needed

hello, we would like to buy some usefull and intelligent apps for smartphones or other operating systems(we want the app to be available in as many mobile models as possible). Please send us demos or complete mobile [login to view URL] we want is some everyday-apps, intelligent apps, and enterteining [login to view URL] the transaction all copyrights are ours and you have no right to distribute or re-sell the app. we would be happy receiving pms with samples(and installation guides too, please)