oNotepad - Smartwatch Notepad is a free Android app designed for those who need to take quick notes on their device. It is specially designed for Omate Truesmart, Simvalley AW414, AW420, AW421, Iconbit Callisto 100, and Vapirius AX3, but it runs on nearly every device. The app has a unique feature that eliminates the need for buttons on the main screen, making it perfect for smartwatches where there is limited space.

The app works by checking the state of the edit field and your gesture like swipe down, swipe up, swipe right, single click, or long click. Swipe down brings you to the settings page, while swiping up or right shows the notes list. If you write something into the edit field and swipe up or right, the note is saved. In the list view, you can see all your notes with a timestamp. A long click on the note will delete it, and a single click will allow you to edit it. Pressing the back key will take you back to the editor.

Overall, oNotepad - Smartwatch Notepad is an excellent app for those who need to take quick notes on their device or smartwatch. The absence of buttons on the main screen is a unique feature that makes the app stand out.