Shark Robot Convention Card
Shark app offers a choice of several bidding systems - Standard American 5-Card Major, 2/1GF, ACOL.
Link for SAYC Convention card:
Link to Beginner SAYC Convention card:
Link for Two Over One Game Force Convention card:
Changing the bidding system, turning on/off some of the conventions and adjusting signaling for E-W and N-S can be done from settings menu within the app.