Hand Math v1.0.0 — Android APK & Operand Range Levels

We are excited to announce the initial official release of Hand Math 3D (v1.0.0)!

🤖 Native Android APK:
- Fully packaged and signed installable APK (com.handmath.app) built with Capacitor 8 and Gradle.
- Offline-ready with bundled 3D GLTF hand models and runtime assets (~12 MB).
- Skips redundant PWA caching when running natively inside the Android WebView.
- Download HandMath-v1.0.0.apk below for direct installation on tablets and phones.
🎚️ 5 Operand Range Levels + Level 6 Mental Mode:
- Choose maximum range for numbers (Level 1: 1–20 up to Level 5: 1–99) across Tutorial, Arithmetic, and Challenge modes.
- Level 6 introduces multi-step mental arithmetic equations with multiple-choice selection grid.
🖐️ 3D Finger Articulation & Arithmetic Pedagogy:
- Bone-anchored finger articulation via quaternion slerp on two hands (tens on left, ones on right).
- Addition with mental carry and subtraction with borrow visual cues.
- Bilingual support: English and Bahasa Melayu.

HandMath-v1.0.0.apk: Production release APK signed with the official release key. Compatible with Android 5.1+ (API 22+).

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