Android Tablet Development Development

We needto have an interface created Android Tablet that will have most of the Shopping card functions : the user will have a search panel of offers matching its criteria, ten when result is displayed in search criteria as RollView the user can drag drop some of the result onto a panel labelled with his favorites,in another one that he do not want ot see anymore in further search. The user can save its search for later review or he can email them to himlsef or [login to view URL] logic should be detached from the looK/design and must be portable to others matters. Theses points will be explained on phone in French or English. This interface should be skinable and the whole application should accept data from XML, from FILES, from SQLITE and from WebSErvices...