A free program for Android, by Chord AI.

Chord AI – Real-time chord recognition is an app for Android that lets you easily find chords and play songs from the apps on your device. It is compatible with many different devices.

This tool is very easy to use. First, open the app and select the song that you want to find the chords for. Then, select the type of music (such as rock, pop, jazz, blues, or classical). After that, just select the device on which you want to run the tool (such as an Android phone or a tablet).

After that, you can start the tool. It will automatically detect the type of music and the chords. Then, you will be able to see the finger positions for the song.