With an update to version 1.4 for the Android app, the photo-editing software is now free to use. This means that you'll no longer need that desktop software subscription to use it. However, if you want your edits and files to sync on the desktop, you'll have to splurge for Creative Cloud.
Adobe Photoshop Lightroom for iOS no longer requires Creative Cloud login
If only I could run Lollipop on my iMac..