|Quotes available in: Professional, Enterprise, and Unlimited Editions with the Sales Cloud. Quotes are also available in Performance and Developer Editions.|
The New Quote action is now available on the Quotes related list on opportunities. And the Add Line Item action is on the Quote Line Items related list on quotes.
The Submit for Approval action is now available when viewing quotes records.
Other aspects of managing quotes, such as syncing quotes and opportunities and creating and emailing quote PDF files, are available in Salesforce Classic. See Sales Features: What’s Not Available in Salesforce1 in the Salesforce Help for more details.