v1.28.2 — Mini-game volume + 9:16 card framing

• Mini-games now have a working mute toggle (next to the close button) across both the OpenGames
  and crisp-game-lib batches, synced to a shared preference. 2048 has no sound, so no button.
• The crisp-game-lib batch's canvas now sits in a rounded, shadowed card — fixes a layout look on
  tall 9:16 phone screens, especially for wide-aspect games (Up 1 Way, Charge Beam, Growth...).

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