TactiCharm is a personal Android app specifically designed for recording and managing collections of folding knives and their decorative hangers. This app is suitable for collectors or users who want to add a personal touch to their folding knives with custom hangers. Through TactiCharm, users can create a collection list by uploading images, providing the name, type, and detailed description of each knife or hanger they own. In addition to being a collection management tool, this app also provides an account profile management feature, allowing users to easily and conveniently manage their personal information.