Yes, the very popular lichess website has a mobile app with a board editor that would allow you to setup this position and pretend to play.
Here's a screenshot of the board editor:
You may also want to look into "Horde" chess, which is a similar variant to what your friend posted. From this site: https://en.lichess.org/variant/horde:
Horde chess is a variant where the white side has a lot of Pawns (36 to be exact) (therefore shortnamed "the Pawns") and the black side ("The Pieces") needs to destroy the Horde to win.
All pieces moves similar to standard chess. In other words, a move is legal if and only if it is legal in standard chess for a similar position. There is an exception for the Pawns.
The Pieces wins by capturing all the Pawns. This includes pieces promoted from the Pawns.
The Pawns wins by checkmating the King of the Pieces. Pawns on the first rank may move two squares, similar to Pawns on the second rank. However, Pawns of the Pieces may not capture Pawns on the first rank that has moved two squares, as it is not a valid en passant capture.