FLOORS IS A APP THAT LETS YOU MAKE YOUR OWN GAME ALSO HAS TRICKY STUFF TO MAKE THE GAME A BIT HARDER,THERE ARE THREE LEVELS, THE TRICKY STUFF COULD BE LIKE SPIKES, FALLING BLOCKS, LAVA AND EXPLODING BLOCKS BUT THERE IS ALSO LOTS OF OTHER TRICKS.
check it out floors....
This is a picture of floors it shows lava at the bottom which you can get also get in floors,this is one of the tricks.