Final Fantasy 7 trophies. I dont think they will incorporate them as they would have been on at the get go. Somebody in another thread commented that they were not sure as it could be done, however much older games (megadrive ports etc) are getting trophy patched then released onto psn so it is feasible for any game to come released with trophies.
If you are holding out on FF7 for trophies i wouldnt wait, beings as its the best game of all time (my opinion solely lol) just get it!!
In regards to Frogger, i bought it way back when i had a 360 (before i got a ps3) and got bored of it very quickly, it would need to be majorly updated for me to consider getting it.