Seems like the only way to get rid of sound and touch lag (yes the touch events lag quite a bit to) on android is to make actual native apps/games.
edit: on the brighter side crosswalk has improved on these issues over time
Develop games in your browser. Powerful, performant & highly capable.
given Firefox for Android does not have the same latency, it must be Chrome and not Android or C2.
Sadly Firefox Mobile is a dead duck. They're officially putting it to bed