It lacks sending groups messages from groups you already created. You have to recreate the group in messages... dumb & redundant. I have some groups, which show in google contacts on my phone, but when I create a new message and try to include a group, the group does not appear in messages as a contact. So, I have go to contacts, instead of messages, to create a group chat/text? This is just lazy programming on developers end. PLEASE UPDATE/FIX. I love google, but this sucks & is disappointing.