Now Playing detects songs your phone hears in its vicinity and can identify them on your lock screen.Tapping on the detected song name currently takes you to your Now Playing history.Google is working on a new interface where that tap would instead display album art on the lock screen.Sometimes, when it rains, it pours. As we analyze Android app updates for evidence of in-development changes, it can really feel like it’s dealer’s (or should we say, developer’s) choice, and it can be weeks or months before we find ourselves revisiting a specific feature. But this week we’re retuning to one topic just a single day after we last checked in, as we look into what Google’s working on for its Now Playing song-ID tool.