As mentioned in the secret fifa skills section the fake shot is a very powerful weapon. To beat players and also to beat the keeper. Especially pro keepers who will be expecting finesse shots when they see the fake shot motion. Then you can power a shot to the other side or even roll it in if they dived.
Using fake shot also makes the ball move diagonally in front of your player which is the ideal shooting position. You can get more accuracy and add more aftertouch if there is space between the ball and striking foot. Make sure you fake from the weak foot onto the stronger foot unless a world class player or pro.
Also convenance altered abilities afore shooting. If one on one lots of the abilities can advice you exhausted the keeper. Ancillary stepping, flicking, mcgeady spins, even flicking it over your head. Find your favourite and try it afore shooting.