Simple Photo Folder vs Hyper Image Search Utilisation & Stats

"Search photo by keyword", "Photo folder except for CameraRoll". I want such an application, and create it. Features ・Add note to image files, and search by keyword ・Sord by a filename or a creation date ・Set an image which is shown when this application turns to background ・Some movie or PDF files are supported ・Show image metadata (e.g Exif, GPS) Subscription ・Terms of Use：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ・Privacy policy：https://no-reason.jp