To edit text, you can click on any card and start typing.
Gamma offers a few different ways to style and format your text. Highlight text to view the text formatting menu.
From here, you can change:
The size
You can also use the slash menu or hashtags to change font size
The color
For more custom color options, you can create a custom theme
The formatting (underline, bold, italic, strikethrough)
The alignment
You can also add:
Footnotes
Links
Bulleted and numbered lists
Blockquotes
Unfortunately, you cannot edit Gamma from your mobile device yet. All edits must be made from your desktop.