You probably aren't ready for competitive tournament play then. In fact, I think having to complete all the table goals is a great prerequisite to unlocking tournament mode access on a given table.
Ah but when your only playing on the iphone 4, nudging is just too hard at times. I seem to only want to ever nudge with my right hand, thus the nudge is always the same way, if I have a joystick it would be so much easier to nudge when I want.