Now you can use your Userscripts on your Firefox for Android, too. Firefox 57+ Please install USI in version 0.5.1.x for usage in Firefox 57 and above. If you find any Bugs, please create an issue at https://bitbucket.org/usi-dev/usi/issues/

experimental Greasemonkey functions (GM_getValue,GM_setValue,GM_deleteValue,GM_listValues,GM_setClipboard,GM_openInTab,GM_log,GM_addStyle)
you can add a Userscript through a simple Textbox on your device, or you load it by an URL
if you open a Userscript in it's own tab with an ".user.js" ending, USI will ask if you want to import this Userscript
you can use jQuery in your Userscripts (@include-jquery)

Note: This Addon is still an alpha version, many things will not work properly. Userscripts written for Greasemonkey won't run sometimes, because of the handling for @run-at defined in the meta block. Try to change it from "document-start" to "document-ready" if some Userscripts does not run. For more Information about this topic, take a look on this page where contentScriptWhen is explained (https://developer.mozilla.org/en-US/Add-ons/SDK/High-Level_APIs/page-mod)

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