Guys, just got myself a Vita recently.
Still have some doubts on PSN purchase so can anyone here mind to help me?

Let's say if I purchase FINAL FANTASY TACTICS WOTL from PSN and save it on my memory card (4GB). Then when I upgrade my memory card to say 16GB, do I have to re-download the game again?

If so, does it count as 2 times downloading so I can't download again for the 3rd time?

Thanks