CastFit
Built at Gemini 3 ハッカソン 東京 · Feb 21, 2026 · 東京都渋谷区渋谷 3 丁目 21 - 3 渋谷ストリーム 5F
Fancy fitness, no fancy equipment. CastFit projects dynamic workouts onto your walls and floor, automatically calibrating to any room. Your personal Gemini AI coach adjusts difficulty in real time — just you, one projector, and your space.
