Booru Nav is a free Android app developed by Kinoshita Productions that allows users to browse and search images in different anime imageboards. With this app, users can easily filter images by tags and download one or more pictures at once to their device. Additionally, the app offers an optional history for tags browsed, making it easy to revisit previous searches.

Overall, Booru Nav is a simple and straightforward app that fulfills its purpose of providing easy access to anime imageboards. The interface is clean and user-friendly, with easy-to-use search and filter functions. The ability to download multiple images at once is a convenient feature for users who want to save images for later viewing. The optional history for tags browsed is also a useful feature for those who frequently search for similar content.

However, it should be noted that the app is limited to browsing and searching images and does not offer any additional features such as community interaction or account creation. Additionally, the app is only available on Android devices, which may be a drawback for some users who prefer other platforms.

Overall, Booru Nav is a solid option for users who want a simple and efficient way to browse and search anime imageboards on their Android device.