This PowerApps video is a step-by-step tutorial on how to create Multi Select Checkboxes in Power Apps, use Radio and list box controls in SharePoint customized list forms using Power Apps.
We will leverage a Gallery control with checkboxes to convert a SharePoint Choice column data card to use a Multi Select Checkbox experience in Power Apps Form, use the Radio button control to convert Choice column or Number column data card into a radio list (similar to Likert column experience in Microsoft Forms) & use the List box control to covert a choice column data card into a list of choices to select from.
Video covers the following: