There never was any delay for touchstart/touchend events.
If you're using onclick/mousedown in your game, then change them to touch events (touchstart and whatever Windows Phone does). These work without delay regardless of viewport settings.
If you have existing codebase that can't be easily changed to use touch events, you can use FT Labs' fastclick to emulate onclick with no delay (the library is aware of latest Chrome's change):
If you're using onclick/mousedown in your game, then change them to touch events (touchstart and whatever Windows Phone does). These work without delay regardless of viewport settings.
If you have existing codebase that can't be easily changed to use touch events, you can use FT Labs' fastclick to emulate onclick with no delay (the library is aware of latest Chrome's change):
https://github.com/ftlabs/fastclick