The WorkGuru mobile app lets you quickly review existing and add notes to projects.  Tap the projects tile on the app home screen.

Search for and select the required project to add a note to.  Tap on the project tile to open it.

Tap on the Notes tab of the project details.  You can review existing notes on the project or tap the green plus "+" icon to add a note from the app.  If the user has sufficient permissions they will be able to delete notes from the app as well.

Enter note text and tap Save.  Note: Hide the keyboard to reveal save button.

The note is now available on the notes tab in the project details page.  Tap the red rubbish bin icon to Delete the note.