Guitarwiter
Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote
Guitarwiter - 100% Offline Guitar Tab Keyboard for Basa Jawa & Sunda 🎸 Problem: 90% of guitar tab apps need internet, crash on random input, and don't support local languages. Musicians in Lembang, West Java who speak Basa Sunda & Basa Jawa can't write tabs in their own language, especially offline. Solution: Guitarwiter is a 100% OFFLINE custom keyboard that never crashes, built for Indonesia. Proof of Authenticity (Murni - No AI Fake): - Airplane Mode ON at 18.28 proof - status bar shows ✈️ icon, 0.63 KB/s, no internet (see video) - Random input test: Typed "Yttoasaddsggyyyy" and "aqayyyy" - app stays alive, no crash (0:15 in Shorts) - Built & tested on real Samsung device in Lembang, Indonesia - Pure screen recording with third-party recorder that bypasses FLAG_SECURE - no AI-enhanced video Tech: - Built with Llama 3.2 for parsing guitar tab logic & autocomplete for Basa Jawa/Sunda - 100% local processing, no calls API after install - Panel Cerdas (Offline) - Hybrid layout Q=D3, W=D#3 for fast tab writing - Lightweight, works on low-end Android Impact: Musicians can create tabs anywhere - mountain, stage, airplane - in Basa Jawa & Sunda, without internet. Preserving local languages. Demo Video: https://youtube.com/shorts/pxiq8HwdiCA - Shows airplane proof + random typing test.