A practical app for managing and controlling the marking of your stickers for the 2026 World Cup album, easily using your mobile phone. The main features of the app are: ✅ Complete list of all stickers in the album ✅ Control of missing and duplicate stickers ✅ Share and compare your stickers with other friends ✅ Create separate profiles to save different albums in the same app ✅ Search and find the selection and sticker you want faster ✅ The first complete sticker organizer with 3 ways to mark your stickers ✅ Share your missing stickers with your friends with a beautiful and organized layout by categories to make exchanging easier and faster.