SignOn is a free lifestyle application developed by iKuKu for Android devices. It allows users to create various signatures based on their Korean or English initials. With the generated signatures, users can create their own unique signature.

To use SignOn, users need to input their Korean name or English initials with 2-3 characters. Then, they can click on the "Sign" button to generate various signatures. Users can also use the menu button to view other signatures and save them as images.

However, some names may not generate signatures, but users can contact to request updates for future versions.

SignOn requires access to network connections and storage permissions to save images.

Overall, SignOn is a helpful tool for those who want to create unique signatures, and the developer is committed to providing users with continuous updates and improvements.