Trumpet Sound Effect Plug-in is a multimedia plugin developed by Rev Soft Inc for the Perfect Piano and Walk Band apps, available on Android. This free plugin offers a new trumpet sound effect for the keyboard screen of the mentioned apps. However, it cannot run alone and must be used with either Perfect Piano or Walk Band.

To use the plugin, users need to enter the keyboard screen and select the switch instrument icon, where the trumpet icon will automatically show up. From there, they can load the new sound. It's important to note that users may want to change the sustain time through the app's settings to make the sound more comfortable.

Overall, Trumpet Sound Effect Plug-in is a simple and useful addition to Perfect Piano and Walk Band for those who want to add a new sound to their keyboard. If you encounter any issues, you can contact Rev Soft Inc (also known as Revontulet Soft Inc, Revontulet Studio) at