If you don't play the bagpipes, this will mean nothing to you; But if you do, you'll already know what a pain it is to tune them correctly. It's hard enough getting the chanter right; But when you're tuning the drones, trying to listen to minute differences between the two is a real hassle. This is why you need Tuna.
Use the opportunity to download the installer of Tuna 1.0 free of charge and have a look at users' reviews on Droid Informer. The app is designed for Android 2.2 and higher. This application is completely secure to download. Apposite Software is the developer of the tool that can be found in the Music & Audio category.