Tzn Retro for ExDialer is a theme designed in the style of Tizen. It is not a standalone app but can be applied to the ExDialer app. The theme offers a retro look and feel, reminiscent of the popular Tizen operating system.

With Tzn Retro, users can customize the appearance of their ExDialer app to match the Tizen style. The theme provides a unique and nostalgic experience for those who appreciate the retro aesthetic.

To apply the Tzn Retro theme, users need to have the ExDialer app installed. Once installed, they can navigate to the Preferences menu and select the theme from the options available.

Please note that Tzn Retro is not a free theme. There are paid options available, such as the Tzn Retro Dark Theme and Tzn Vintage Theme, which can be found on the Google Play Store.

For more information about new themes, news, and promotions, users can join the developer's community on Google+.