Bebot is still one of my favorite apps on the App Store, and mScribble, a recently revamped app from Appular and a developer named Panpipes Ho!, reminds me a lot of Bebot in its simplicity and versatility. That's pretty high praise indeed if you're as big a fan of Bebot as I am, but if you've never heard of Bebot, let me explain. mScribble is an app that generates a melody for you on the fly. The app plays a simple drum beat in the background with whatever rhythm you want -- there are nine to choose from in the app's menu). Drawing a scribble on the screen plays notes in a melody that's already lined up to the tune. It sounds complicated, but the app does all of the hard work -- just swiping across