There are 12 Trophies that can be collected.

Tongue Tiled!    
Won a single player Tile Capture match!    

Twin Stick    
Used both Hyper and Retro controls for Classic!    

Go! Frog! Go!    
Fly power up used only against CPU!

Nostalgia    
Got a Frog Home in Classic Frogger!

Frogger In Love    
Rescued a Lady Frog in Classic!    

Twin Frogs    
Got a Twin Frog pair Home!    

Rumble in the Pond!    
Won a single player Battle Royale!

Silver

Greasy Joystick    
Obtained a Classic Frogger score of over 100,000!    

Around The World    
Every game mode played!

The Devoted Artist!    
All the Paint patterns completed!

Highway Crossing Frog    
Completed all 5 difficulty levels of Classic Frogger!

1 Secret

Gold

Challenged     
Every Challenge completed!

http://www.ps3trophies.org/game/frogger-hyper-arcade-edition/trophies/