In its options panel, under Permanent Spoof list you can set wikipedia.org as domain and pick one of the mobile options from the dropdown and from then on, every time you visit a Wikipedia page you'll be redirected to the mobile version.
In its options panel, under Permanent Spoof list you can set wikipedia.org as domain and pick one of the mobile options from the dropdown and from then on, every time you visit a Wikipedia page you'll be redirected to the mobile version.