Add an Action pane to your form.
Add Tab in your design and assign highlighted property show in image.
Add TabPage and apply design pattern "Section Tiles" also assign highlighted property show in image.
Create a display menu item and assign form (any form that you want to open from tile button) in Object Property.
Create a Tile and assign your display menu item in its Menu item Name property also change the value of Form View Option property to "Grid".
Now Simply drag and drop your tile button in your tab page control.