Google acknowledged last month that it's been working on support for pressure-sensitive displays in Android N - but it's reportedly delaying the feature to be released in a future update instead.
Pressure sensitivity RSS
Google is integrating support for pressure-sensitive displays into its next version of Android, including 'Launcher Shortcuts' that offer quick-actions on the homescreen, similar to Apple's 3D Touch.
Microsoft has updated their OneDrive app for iOS devices. The new update brings support for pressure sensitive annotations in PDFs. The update is now available via the App Store.