Did You Buy Your Array Lock at Walmart? October 29, 2019 17:31 Updated Follow If purchased at Walmart, you'll need to be sure to download and use the "GL" version of the app. Look for the "GL" on the icon. If purchased anywhere else, be sure to download and use the non-"GL" version of the app. Related articles Where can I find the current version of my Array app? How do I link Alexa with my Array Smart Deadbolt?