You cannot create a mailing list from within the Gmail mobile app. You also cannot choose your mailing list as a recipient in the Gmail mobile app. You must go directly to the site.
Open google contact page.
• Go to https://contacts.google.com in your computer’s web browser.
• This address takes you to Google contacts, where you will select contacts.
• Click on the checkbox that appears in place of their picture or first initial and repeat this course for each contact you intend to add.
• Click the labels icon.
• It is at the top left.
• A drop-down menu will come down. Click to create a label, which is at the bottom of the drop-down menu.
• This selection will incite a pop- up window to appear.
• Put in the name you plan to use for your mailing list.
• Click Save in the bottom right-hand corner of the menu.
• Open the Gmail inbox. Go to https://www.gmail.com and re-enter your e-mail address and password if you are asked to do so.
• Click compose, which is on the left- hand side of the Gmail inbox.
• This choice will open a new message window. In the “field at the top” of the new window, type in the name of the group.
• View a group list of names you created.
• Enter a subject and your message.
• Click send.
• This selection will send your e-mail to each of the people in your group.