It depends on what program you are using for previewing those files with.
Try adding your Google drive to Windows Index
If that doesn't work, add your Google drive to a Library. You can create a new Library or add the folder to an existing Library
Adding a location to a Library automatically adds that location to the index.
There are keyboard shortcuts to go through photos. Left and Right arrows have always been the change to next or previous picture. 7 Keyboard Shortcuts for Photo Viewer If you can assign a mouse setting to scroll left or right, that can help. I use the Logitech M570 Trackball and it comes with two extra buttons that can be reassigned for picture scrolling.
Indexing can slow down searching IF the index is huge (indexing all files on C: or everything on the computer).
Please check your Google Drive folder security settings
System should have full rights
Permissions should be inherited
Also, is there an Album for Google drive in the App?