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This is a service that allows you to easily view inhabited islands in Japan on a map! By creating an account, you can record on the web: Inhabited islands you have visited Inhabited islands you want to visit In the future, we plan to release a mobile app called "Shima Log" for recording visits to inhabited islands!

This is a service where you can place pins 📍 at smoking areas to make it easier for smokers to find smoking areas. Non-smokers can also place pins and share them with smokers, making the world a little bit more comfortable for everyone.
Both smartphones and PCs keep your eyes focused on "near" distances all day long. FocusGym is an iOS app designed to help you continue eye exercises that give your eyes a rest — just 5 minutes a day.
All features are free to use (with ads / $3 one-time purchase to remove ads). iOS 16.0 or later · Built with Flutter + Hive.
Each training is designed with reference to research on visual function training, but this app is not a medical treatment and does not guarantee improvement in vision. If you notice any abnormalities in your eyes, please consult a medical professional.
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