SuperBeam is a free app that offers easy and fast file transfer between Android 4.0+ devices using WiFi Direct. Devices can be paired using QR Code scanning (with the included scanner) or NFC if available (just like Samsung's proprietary S-Beam).

Features:

• Share files between devices using NFC or QR code scanning.
• Blazing fast transfer speeds using WiFi direct.
• Switches to hotspot mode automatically for devices that doesn't support WiFi direct.
• Can use existing WiFi network connection between devices.
• Share single or multiple files of any type (photos, videos, zip files, APK's... You name it!)
• Works with all 3rd party file managers and photo galleries.
• Light and dark color themes.
• Advanced settings for geeks!

Google Play Store Link