Free
About
In Costan, you also Cosmopolitan from today!
From "Time" and "Hello" First.
Acquire the voice of the 14 languages of everyday greeting to dodge with a smile.
A peaceful world without boundaries in heart!
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What's New in Costan
10.10
June 10, 2026
Thank you for using “Costan”. We have fixed bugs and improved performance so that you can use it more comfortably.
