I have a solid understanding of Android System Architecture, and I would be happy to explain it. 

The architecture consists of several key layers: 

1. **Linux Kernel**: This serves as the foundation of the system, containing drivers for Wi-Fi, display, audio, USB, camera, and Bluetooth. 
2. **Platform Libraries**: Positioned above the kernel, these libraries include media, OpenGL, graphics, SSL, SQLite, and more. 
3. **Android Runtime**: This layer comprises the Dalvik VM and ART (Android Runtime), along with core libraries. 
4. **Android Framework**: This layer contains essential components such as the activity manager, notification manager, package manager, window manager, content providers, and view system. 
5. **Application Layer**: Here, you will find the home screen, contacts, camera, gallery, clock, and calendar. 

I have applied this knowledge in my roles. For instance, in my current project, I leveraged the **Location Manager** and utilized the Google API to render location data for the Advanced Driver Assistance System (ADAS). This system assists drivers in navigating from their starting point to their destination and has been seamlessly integrated into our infotainment system. 

Understanding each layer and its components is crucial, as it enables me to optimize and develop effectively.