What is the letter name for the note the Arrow is pointing at?

That's the E note.

Explanation:

Here's a picture to prove it:

smooky margielaa stay 100?

explanation:

you didnt add any sort of groups or any options, you can edit it and then people can try to answer now its kinda hard.

hope this gives you a heads up why you arent answered. : d

have a great rest of your day!