Originally Posted by lunatic59
Need a little more detail to ferret this one out. What phone and which version of Android? Are you rooted? Running a rom other than stock?
If apps are getting installed on the sd card, then you must have at least 2.2 which means if you go to menu>settings>applications>manage applications and tap the all tab, scroll down to pandora and tap the listing you should have the option to move it back to the phone.
Actually you did just fine problem solved. But seriously shouldn't the phone automatically install things that are widgets to the phone otherwise they dont work.