In version 2.17 of Setlist Helper for Android a metronome was added. You need to purchase the Setlist and Lyric Version to use this feature.
To get to the metronome open a song. Choose “Show Metronome” from the menu as shown below.
After selecting “Show Metronome” you will see the metronome as shown below
Select the play button in the upper right of the metronome to start it. You can adjust the tempo by moving the slider or typing the tempo where you see the tempo. The save button will save the tempo to the song attributes.
Let us know if you would like enhancements done to the metronome at firstname.lastname@example.org