Cello Sound Effect Plug-in is a music plug-in designed for the Perfect Piano and Walk Band apps. It is developed by Rev Soft Inc and is available on the Android platform for free. The plug-in is categorized under Multimedia, specifically under Music & Radio. It is compatible with Android 9.0 and above.

To use the Cello Sound Effect Plug-in, one must first download and install the Perfect Piano app from Google Play. Once installed, enter the Keyboard Screen and select the switch instrument icon. The Cello icon will automatically appear, and users can select it to load the new sound.

One thing to note is that users are recommended to change the sustain time through the app settings to make the sound more comfortable. If there are any issues, users can contact Rev Soft Inc at

Overall, the Cello Sound Effect Plug-in is a great addition to the Perfect Piano and Walk Band apps, providing users with a new sound option to enhance their musical experience.