Google has launched a signup page for Android users who want tobe a part of the Google Maps beta test.
From the beta signup page:
Google Inc. has invited you to a testing program for an unreleased version of the Maps app. As a tester, you'll receive an update that includes a testing version of the Maps app. Please note that testing versions may be unstable or have a few bugs.
If you use Google Maps a lot and want to help make it better, then this beta test an early version might be for you. Simply head to the link below, opt in, and you should be able to start testing things out!