Here is the full list of all 20 Aircraft Evolution (EU) trophies - there are 4 bronze, 6 silver, 9 gold and 1 platinum.
Good job! Completed all tasks!
Destroy 500 tanks
Upgrade the aircraft to maximum
Go through the fourth era
Complete the whole game
Destroy 200 cannons
Buy the best aircraft
Go through the third era
Destroy 200 aircrafts
Halfway through the game
Pass the second era
Accumulate 5000 finances
Start the level anew 5 times
Destroy 200 buildings
Pass the first era
Complete the fourth mission
Buy a new aircraft
Blow up the building
Drop the superheavy bomb
Complete the first mission