I just found out your problems at two points. They -
Mobile phone connection links will not open in safari. For more information, please check HERENeither iOS nor Android browsers support WebGL, so it is not a starter in PhoneGap.
Apple is clearly working on WebGL support in a more general sense, as can be seen from their support in iAds.
It can be used by WebGL using standard built-in web views (using private APIs).
check HERE for browser support.
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