Make sure to click on the text or any element of skin otherwise this menu will not open. You can remove any skin loaded on desktop by just right click on skin and select unload skin

Favourite: Mark a skin as favourite so you can quickly access it from menu.

Click through: This will make it possible to click on the underlying element of skin if its a shortcut or folder.

Draggable: If checked you can then drag your skins to anywhere on the screen using your mouse left click.

On Hover: You can use transparency value set above to apply to skin on hover.

Transparency: Sets the transparency of the skin,.

Load Order: Allows rainmeter to decide which skins to load first if multiple skins are at the same position.

Position: By default Rainmeter skins only show up on desktop but using this option you can make skins to always stay up to even above other applications,(On Desktop, Bottom, Normal, Topmost, Stay Topmost).

Coordinates: Pixel position where skin should be placed on screen, these coordinates needs to be adjusted when you import other users rainmeter layout because not everyone share same desktop resolution.

These options are very important while managing the rainmeter skins,

After skin is loaded, options at bottom right side will be enabled to use it.

Rainmeter for android