A Polygonal World Hola Theme. The preview image showcases the overall style, the actual effect is based on installation. This is not a stand-alone app - You must have "Hola Launcher" to use! DL: How to Apply the Theme: 1. Download and install this theme; 2. Make sure Hola Launcher is open; And. 3. Go to Personalize, Theme, choose this theme and apply.