Your address will show here +12 34 56 78
Since version 4.15.25, Simple Mobile CRM support 3 different pref modes: CRM, Note and Email.

Each mode has its own advantage. Generally speaking, CRM mode is most powerful and has most features. Email mode has least features but is most intuitive. 
1. You could always change the mode in the settings page of mobile app
OR:  You could also change the mode in the settings page of CRM website
2. In email mode, there are only 3 tabs: email, note and teams. 
User could simply put down the notes in the latest emails and view them in the Gmail website with Simple Gmail Notes.
3. In note mode, you could see opportunity information, but note is still of higher priority.
4. CRM mode is totally driven by the opportunities, notes could still be put down and seen in Gmail site, however.