Basically if you're ultra skilful and with a bit of luck this is possible to do.
If you're fast enough with the stylus, you can score chains even when the falling tiles don't line up as they fall - just make another move while the tiles are settling, and as long as you're not trying to move a tile which hasn't fallen yet, it'll be counted as part of the move.
Basically if you're ultra skilful and with a bit of luck this is possible to do. First you have to get 3 blinking tiles on the screen; next you must connect all three in a row, horizontal or vertical. After it's been connected, the screen will flash with a spark bursting out and the word 'ILLUSION - 1500000' in the centre of the screen.