Info 2 need facebook app that allows app password login method

ok guys here is a problem.....
i used the facebook widget earlier on symbian s60v5 which allowed login without the original password !!

thats is i can use app generated password for that app !
now im searching a simmilar app for android that would allow login without the facebook password..... i mean just using the app generated codes

any such app available on market ??? please help me out