That's about right. 1/4 swings in the sand in real life will get you pretty much no where. The club will slide right under the ball and all you do is move sand. 1/4 swing won't move it very far either. :)
Try using your PITCH and FLOP shots from the bunker and try not to hit any shots (excluding putts) with less than 50% strength on the meter. They tend to get duffed and only dribble a few yards ahead no matter the lie. I recommend using the fullest swing possible in almost all situations.