Shiori for Genshin: Unofficial is a free Android app designed for players of Genshin Impact who want to keep track of their progress and stay up-to-date with the latest features. Developed by Efrain Bastidas Berrios, this app is an unofficial database that provides information about the game's artifacts, characters, weapons, materials, and calculators. This app is not affiliated with or endorsed by miHoYo.

The app's user interface is simple and easy to navigate, making it an excellent tool for those who want to access information quickly. The app has a search function that allows users to find the information they need, and it's updated regularly with new features. The app also has a calculator that allows users to calculate the stats of their characters and weapons, making it easier to plan their gameplay strategy.

Overall, Shiori for Genshin: Unofficial is a great app for players of Genshin Impact who want to stay organized and informed. While it may not have all the features of the official Genshin Impact app, it's still a valuable tool for fans of the game.