Discovered by @Ketzaal, he found that if you pause before you start moving in the level, when you unpause you're free to start moving. Pause by pressing the settings button on the top left. This saves time in game, but not necessarily RTA. Edit: After some discussions and some clarifications, us mods have decided that there is nothing wrong with using this glitch in the full game categories, where we use both RTA and IGT to time runs. Seeing as IGT is the most reliable timing method since different devices run this game at different speeds, there's nothing wrong with implementing this strategy to save those precious tenths of a second each level. (Seems a few already have so lucky for them :p)

Example: