When it comes to Android application development, there are several best practices to follow. Some of the key practices include using the latest SDK, following the Material Design guidelines, optimizing app performance, testing the application thoroughly, and ensuring security. Additionally, utilizing modularization, version control, and following coding conventions can greatly improve the development process. Implementing proper error handling, minimizing battery and data usage, and providing a great user experience are also crucial. Regularly updating the app, optimizing for different screen sizes and orientations, and keeping an eye on emerging technologies are some other best practices to consider.