Quantum Gravity Shift

Quantum Gravity Shift is an offline 2D arcade runner game developed natively in Java for Android.

Game Features:
- Single tap input flips player gravity between ceiling and floor surfaces
- Procedural obstacle generation including static barriers and laser hazards
- Autonomous drone entity that tracks player vertical coordinates
- Dark Energy collectible items that award score points upon contact
- Shield power-up that absorbs one collision with an obstacle or enemy
- Multiplier power-up that doubles score accumulation during active duration
- Dynamic camera shake triggered on collisions and power-up collection
- Particle emitter producing visual feedback on gravity flip and item collection

Audio & Feedback:
- Real-time procedural audio synthesis using Android AudioTrack API
- Dedicated sound effects for tap, score, shield, game over, and level complete
- Looping synthesized background melody with in-game toggle
- Device vibration feedback on collision and menu interaction

Game Modes & Interface:
- Splash screen with game title and version details
- Main menu with navigation to play, settings, how to play, and about screens
- How to Play screen explaining touch controls and power-up mechanics
- Settings screen with toggles for sound effects, music, and vibration
- Interactive pause overlay allowing resumption or return to main menu
- Game Over screen displaying run score and highest recorded score
- Level Complete screen showing stage summary and progression option
- About screen displaying package name, build number, and application version