I need a good game on my iPhone to pass the time?

I have flappy bird still but I'm willing to try rip offs but I just want some good games to pass the time with. I do have ifunny also

Solomon's bone yard and Bug Heroes(both free), if you could bear the longer times to finish one round. You can always quit mid round or pause too. Also Lumosity, it has a bunch of different free games on it which aren't only fun they also make your brain work faster.

Rayman Run
Mr. Crab.
Bubble Wars

Any games by donut games is fun, most are free as well, and candy crush is always fun.

4 Pics, 1 Word
Candy Crush
Mahjong.
Ruzzle
Scramble with Friends
Sudoku.
Tangrams
What the Word
Words with Friends
BrainExcercise
MoreBrainEx.
Chess with Friends
Draw Something
Draw Something 2
Jigsaw Puzzles
Brain Test (Mensa)
Action Movie
Bop It!
Dumb Ways to Die
Frogger
Mad Libs
Minion Rush
Tetris

There are a lot of free Lego games and others. THe latter in this list are children's games, but my "big children" play.

737 Flight Simulator is very good