Lots of work, may require invasive permissions, may run afoul of app store rules etc, may be a pain in the ass integrating with whatever non-native approach you

Lots of work, may require invasive permissions, may run afoul of app store rules etc, may be a pain in the ass integrating with whatever non-native approach you're building an app with, and potentially weeks to get any change live. The people at FGL.com are working on a promising solution to this - http://enhance.fgl.com http://enhance.fgl.com -