Viber today confirmed on their Facebook group that they are working on their Universal Windows App for Windows 10 devices. They are currently inviting beta testers to test their upcoming version of this app.
Key features:
• Text with your friends and make free calls with HD sound quality
• Send stickers, emoticons, photos and locations
• Download stickers from the Sticker Market, making messaging fun!
• Hold & Talk – instant voice messages. Your friend will hear you as you speak!
• Live Tiles, lock screen notifications, and the ability to pin chats to the home screen
• Select chat backgrounds from the background gallery
• Full sync between your mobile phone and computer
If you are interested in joining the beta, signup the form here.