Hello Card Itel Platinum is an Android application designed to facilitate VoIP calls, SMS, and instant messaging across multiple platforms, including iOS and Windows. The app enables users to make calls and send messages over WiFi or mobile data (3G/4G), offering a seamless communication experience. Users must obtain an Operator Code from a VoIP Service Provider to utilize the app's features, which include automatic buddy list creation and the ability to invite contacts from the phonebook.

The application also allows service providers to customize and brand their own versions of the app. It supports cross-platform instant messaging, enabling communication between users on different operating systems. With easy sign-up using a mobile number and the option for mobile top-ups, Hello Card aims to enhance user engagement and provide a versatile communication tool suitable for both individual users and service providers.