The most sought after feature in Firefox for Android is the translation feature. Mozilla can meet this request by adding the following translation plugin to the default plugins.
Tested on Firefox Nightly for Android and works fine. It can make instant translations without opening a new page.
@Mte90 very cool, thanks for highlighting that. Do you know the proposed implementation; will it translate the whole page like one can in Chrome with Google Translate? That’s the holy grail.