From a Home screen, tap Apps . Located at the bottom in portait mode or the right in landscape mode.
Tap the contact.
Tap the Edit icon .
Enter any of following information then tap Done (located in the upper left): To change the account type, tap the Dropdown menu then select the desired account (e.g., Google, Tablet, etc.). Depending upon the account type, the options presented may vary.
Add another field (Phonetic name, Organization, IM, Address, etc.)