Mistake of Nekogram X?

Here is the app Nekogram X | F-Droid - Free and Open Source Android App Repository names Nekogram X
But by the following link GitHub - NekoX-Dev/NekoX: A third-party Telegram android app. its have different name NekoX
Why?

Why don’t you ask them? We can’t decide the name. NekoX/name.txt at main · NekoX-Dev/NekoX · GitHub