Good news for users who have a Gmail
account, you can now synchronize your contacts with Memotoo and keep your address book updated:» every time you change a contact in Memotoo, you sync your phone, ... Memotoo update your contacts in Gmail !
Follow this link to authorize Memotoo to access to your Gmail account:
https://www.memotoo.com/ja/how-to-sync-gmail-contacts.php