Permanent store your preferite contact with password protection... In first launch (only in the first!) choose your password, BEFORE SAVING you can send an email with the chosen password, click save and yuore done! Insert your password to access the saved contacts, tap on + button for add new, choose if the contact has an email address (simply by not adding any email and ADD NO EMAIL INFO button automatically show) and click Add... after adding a new on you can delete, send call, or email it... Use the app to group work contacts and access them without having to search through countless contacts or simply store your favorite contacts for immediate search...