You can make your phone into an electronic bulletin board with LED Scroller - LED Banner. You can use it to display any kind of messages or information on your screen. 

With this application, you can create an electronic bulletin board by displaying messages and information on your phone or tablet. It can be used in any place, such as a restaurant, a bar, a party, or even at school. It is perfect for fun places like concert and disco party. You can also use it as a digital signboard for advertising or as a way to make people know what is going on.