Thumbs up great app needs your suggestion

Hello everyone,I have made an app called FancyRing. It is a ringtone maker, by which you can create your own ringtones and use it for your ringtone / alarm / notification. It is cool now, but I want it to be the best., so I want to get your suggestion. Here is the link on google play:
play.google.com/store/apps/details?id=com.fancyring
Thank you for your try and suggestion.