Strobily is a free and easy-to-use app that makes it easy to create patterns, use the LED flash of your phone as a strobe light, and even use the sound of your own music to create a strobe light. It can be used for many purposes, such as creating patterns for a party or making your own light source. 

You can create patterns for a party or other events, such as a dance party. It can also be used to make a light source for your room or any other place. It is very easy to use, and you don't need any special skills to use it. You can even create your own light source by creating a pattern that has a loop. It is perfect for creating a light source for your room or any other place. It is easy to use and can be used for many purposes.