Google is keeping up its fast pace of updates to its office productivity apps, this time with meaningful improvements to both Slides and Sheets for Android. Building on existing presentation abilities, Slides gets notification forward/back toggles as well as an option to watch your audience while presenting to a Hangouts call. Sheets now gives Android users the option to easily edit charts, which were basically view-only previously.
Here's a before and after look at the lockscreen notification that Sheets displays while you present on a second screen/Hangouts call.

Without those toggles on the notification, you'll be forced to choose to either keep your phone unlocked while presenting or constantly enter your login password/fingerprint/etc.
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