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The interaction begins when the user taps the 'How to play?' button on the Secret Santa lobby screen. This triggers a full-screen transition into a multi-step animated guide. The sequence uses a series of timed, auto-advancing slides that explain the game mechanics: creating a group, inviting friends (with an envelope opening animation), assigning random Santas (using drawing arrows on a Christmas tree), picking a gift (using a cycling item animation inside a box), and the final gifting event. The animations utilize smooth scaling, sliding, fading, and subtle wiggles of festive vector illustrations and mascots. The sequence concludes with a circular mask transition that smoothly reveals the updated lobby screen.
