I have 2 problems.

On backend i can see the list of tags but cant see their link nor i cant change alias

And i couldnt find a way to list k2 tags on frontend

Thanks in advance

Regards

Hello Selim,

The alias feature will be introduced in v3 (wait a few days).
The tags can be listed through the K2 Tools module. You have to select the tag cloud functionality,

If you need to change a specific tag's alias you can always map it into a menu item.