At least in the Android mobile version of this app, the feature to freeze (or pin) certain rows/columns is not displaying or functioning correctly. I noticed this when I opened a spreadsheet file that had specific rows/columns set to freeze. Is this normal, or is this feature not available in your app?
OS version: android 14
App version: 9.1.0, build 663, SDK 9.1.0.181
Mode: On Device
Hey @john371911, 
Unfortunately, freeze panes (frozen rows/columns) are not supported in the mobile apps yet.
When you open a file that has frozen areas, they simply aren’t displayed or functional on Android/iOS.
We already have a bug logged for this, but I’m afraid I can’t give you an ETA right now.
As soon as we make progress, I’ll update you here.
Thanks for the report and sorry for the inconvenience!