basapal-birth/v1 app_id 2e314a65-ae34-40b2-91a1-3416c9acf327 app_created_at 2026-10-27T10:53:24.162416Z name "ChainLab: 자전거 기어 실험실" tagline "가상 크랭크를 돌리고 변속하며 자전거 기어비를 소리와 진동으로 비교하는 실험실" description null story_why null story_who null story_hard null icon "https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/1a/cc/9b/1acc9bc5-db46-1f60-d650-2ea855033c29/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/512x512bb.jpg" 3613c312c034ae30fae465671ecc69b87bc36aed1b0ddef4d8552c8f4dc61cea