When creating a note you select its folder/category, but oddly that is a two-step process of tapping an existing folder name, then tapping Done button in upper right. That seems an odd choice for an app trying to be quick and efficient. Ditch the Done button and make it a one-step process. Finally, notes wont show up in the device search results, but notes via the built-in note app from Apple do show up. I know this app has a search feature, but I would rather not launch an app like this (notes) just to search its contents. To be a successful replacement of the built-in notes app, this app will need to add its results to the system search.
Arduous about myNotes: smart notes. Simple, elegant, stylish, flexible, quick and minimalist notes. Best note-taking app for iOS.