These always point at the latest build of each app from the active development branch - the link itself never goes stale, even as new builds ship.
Create a walk request, follow the booking handoff, and enter the shared walking session.
Get the Traveler test buildReview incoming walk requests, respond clearly, and move confirmed bookings into the shared session.
Get the Guide test buildEach link opens the current GitHub release for that app, which always has the install link (or QR code) for the latest test build - no separate download hub to keep in sync by hand.