GEM is free and friendly android application.

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GEM Introduction

To exchange name cards in public places, such as conference sites and restaurants, is a very common social activity where users could introduce themselves to nearby others.

With smartphones, users have another option to exchange their electronic name cards (e-cards) that are pre-set in their smartphones as shown in the following figure. The e-card is easy-to-use and cost-saving.

Gesture-based Electronic naMecard (GEM) is an advanced smartphone application that helps users exchange e-cards in a casual situation. GEM applies Gesture Recognition and Jave Pairing Based Cryptography (JPBC) to secure e-card exchange.

Check GEM's Features.