『NOT』Y1

I have used this app for a month and a half for my first year in medical school it's very helpful. The time I saw this app in the app store I immediately bought it because I know it will get more expensive in the future. I have no complaint about the app،but the only thing I want to mention is can،you guys please reduce the time for the laser pen from 2 second to 1 second it will be very...