On source (mobile) mode:
Heading 2
Put the title with 2 ='s on each side.
Heading 3
Put the title with 3 ='s on each side.
Heading 4
Put the title with 4 ='s on each side
Linking
Do this: Link Title|Text to display in [[]]. If you want the page to look the same, don't do the |Text to display part.
Coloring
Put: font color="name of color" in <>. To stop the color, directly after the word you want to be the last word in that color, put:
Text Features (not colors)
Bold
Put your text with 3 apostrophes on each side.
Italics
Do the same thing you would do with bold, but with 2 apostrophes.
Bold Italics
Put your text with 5 apostrophes on each side.
Infoboxes
Put:
infobox
|Row 1 title =
|Row 1 info =
And so on. Put it in {{}}