Jut recommended this to my friends as well. It does the two things I respect most in modern games: It respects my time, and it lets me have fun.

If you're a busy person with things to see and people to do, this is the game for you. Just pop in, shoot down a few kites without too much trouble, and then you're done. Want to put in a bit more skill? Turn off the aim assist.

Of course, if you're looking for a simulation, or story, or insane graphics, then this game is not for you. It doesn't pretend to be either, rather focusing on being fun without overwhelming you like certain unnamed tank/plane/ship "free" games do.