If you are looking for the "Battle Forge" tool within the app, it is specifically designed to create paper army lists for tabletop miniatures gaming.

This is a cooperative boss battler for 1–4 players.

The project files are shared within the community for players to print at home and play as a traditional tabletop card game. 2. Warhammer 40,000 "Battle Forge" Army Lists

It is a free-to-play full revival created by fans with EA's permission, maintaining all original features like the auction house and cooperative campaigns.

You can use their forums to find high-resolution card art if you wish to design your own custom paper proxies. Production started and Why You Will Be Glad You Backed