It's secure to download the app. ID-advice is the developer of NFC Visitkort which can be found in the Business category. The tool has been downloaded and set up by over 100 users and the most recent release is dated Nov 5, 2013.
This application has the average rating 2.3 on Google Play. Download the setup package of NFC Visitkort 1.1 that is provided for free and take a look at users' reviews on Droid Informer. The app is developed for Android 4.0 and above.