What are the benefits of this application? 1. You can always hold this and easy to use. 2. You can preview image and automatically saved. 3. You can use this to cheer and support in the music concert, birthday party, world cup match. 4. When you can't hear well in a noisy place, you can send a message to the other person. 5. You can use your smartphone as a tool for cheering and communicating.