Hello Sir/Madam,
I've read the requirements clearly.
I'm an expert in PhoneGap and native application programming.
I hope i understood your problem completely, even though you logged in using FaceBook it needs to return to the app from which this FaceBook login page is directed.
I will resolve this problem in android and iOS.
100% satisfied delivery guaranteed.
About Me:
I've more than 3+ years of experience in developing applications for mobile platform.
I'm very much comfortable with a cocoa framework, Obj C, JAVA NDK, PHP, MySQL, jQueryMobile, SenchaTouch2.0, HTML5, CSS3.
I develop quality application that are going good in both iTunes and app store.
I will be online for more than 12 hours a day so, it would be easy for you to get in touch with me.
Thanks in advance.
Cheers Yathavraj