iphone game playman track and field javelin help?

[WewillManage]

Im tryin to break all the world records but javelin throwing is so hard, how do i get good throws? do i need to release the jav as soon as the orange circles appear?

as much detail as possible helps, thanks

 

[Jrog122]

Press the orange buttons at the orange high lighted area then release when the spark gets to the tip of the javelin