Mytter is an Android application developed by Shigenori Kumagai that allows users to make notes with SNS-style icons. It is a free application that falls under the Lifestyle category. The app is designed to help users attach various comments to each note and create multiple layers of comments. This feature makes it perfect as an outline editor as well.

One of the features of Mytter is the ability to attach comments to those comments as well. Users can create as many layers of comments as they want. The app also has a Passcode Lock feature that allows users to lock their notes with a password. Additionally, users can copy text from their notes and share it with others.

Overall, Mytter is a unique and useful app for those who want to make notes with SNS-style icons. The ability to add multiple layers of comments makes it a versatile tool for outlining and organizing thoughts. The Passcode Lock feature is a great addition for those who want to keep their notes private.