I want a lightweight Android-only APK that lets me mask my real GPS position for privacy purposes. The core requirement is a smooth, reliable “mock location” feature that can be enabled or disabled at will. Within the app, I must be able to enter any latitude / longitude (or drop a pin on a map) and have that location instantly reported system-wide to every other app that checks my GPS. Key functions • Customizable location settings: manual coordinate input and an interactive map picker are both needed so I can fine-tune or quickly switch spots. • One-tap restore to true location. • Optional notification or status bar indicator confirming that mock mode is active, to avoid accidental leaks. Deliverables • Signed, installable APK compatible with Android 8.0+ and mock-location developer settings. • Source code or build files that allow future updates. • Brief user guide covering setup, permissions, and how to add new locations. Acceptance criteria The APK must consistently override the device’s reported GPS in popular apps (Google Maps, ride-sharing, social media) without crashing or unusual battery drain. Toggling mock mode off should instantly return normal GPS behavior. Keep the UI clean; Material Design components are fine but no dependency bloat. If any libraries (e.g., Google Maps SDK) are used, note versions in the readme.