To manually install un install webapp in Firefox for Android, you can go to about:apps .
Unfortunately, about:apps is not yet available in Firefox for the desktop.
Using Aurora (Firefox v24) and Firebug, I got the latest navigator.mozApps API:
navigator.mozApps [xpconnect wrapped mozIDOMApplicationRegistry] | +-- QueryInterface() | +-- checkInstalled() | +-- getInstalled() | +-- getSelf() | +-- install() | +-- __proto__ [xpconnect wrapped native prototype] | +-- QueryInterface() | +-- checkInstalled() | +-- getInstalled() | +-- getSelf() | +-- install()
Therefore, there is no uninstall() function ...
In fact, the main problem is not to remove webapp to remove another webapp (i.e. a website that removes webapps from another site). I think this is what Mozilla is working on ... look at other versions ...
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