Popular video-chat application Tango has spiced up its iOS and Android apps with fun (and gimmicky) new features including video filters, avatars, read receipts, and more.

Tango offers video chat, voice calls, and instant messaging, but only with other users who also have verified Tango accounts.

A free app called Tango is challenging Apple's FaceTime and Android's Qik by offering video chat on a variety of hardware and software platforms.