The Shared Memory library allows for the creation of memory regions that may be simultaneously accessed by multiple Android processes or applications. Developed to overcome the Android 1MB IPC limitation, this Shared Memory library allows you to exchange larger amounts of data between your Android applications.
Android Architecture Components (AAC) is a new collection of libraries that contains the lifecycle-aware components. It can solve problems with configuration changes, supports data persistence, reduces boilerplate code, helps to prevent memory leaks and simplifies async data loading into your UI. I can’t say that it brings absolutely new approaches for solving these issues, but, finally, we have a formal, single and official direction.