You can download it on f-droid: https://f-droid.org/packages/org.schabi.newpipe/

What is the second one?

It’s closed source. But the dev said that maybe in the future it can be open sourced.

looks tasty 😋

It looks beautiful!

What materials did you use to make that?

I think a good one is unciv, a civilization V port to android. It’s open source too! Here is the link to f-droid: https://www.f-droid.org/packages/com.unciv.app/

Sometimes it’s just a visual glitch.

In the next time try to click in send and wait 2 to 3 minutes, then check the community (or click to see your posts in your account page) to see if the post is there.