The Finder app is a built-in file management tool available on Android devices that allows users to search for specific files and apps on their devices. It is a search engine for Android smartphones that helps in finding content and other information across devices. The Finder app scans and finds the app or file typed on the search bar, and it is used for searching content and to save the effort and time required to find hidden files. The Finder app is similar to the app spotlight feature, but it is only limited to search functionality. The Finder app uses multiple techniques to fetch data from the device, including searching through a database of text files, scanning through the devices file system, and using Spotlight Search.

It is important to note that there is no Finder app on Android version 13. S Finder is a similar feature available on Samsung devices running Android Marshmallow and Lollipop. It allows users to search their device and can be accessed by tapping Apps and then clicking the search panel at the top of the screen.

In summary, the Finder app is a built-in file management tool available on Android devices that allows users to search for specific files and apps on their devices. It is a search engine for Android smartphones that helps in finding content and other information across devices.