You can't, you can only unprotect them on the web version.
You can't do this. You either protect your tweets and approve people to follow you or you unprotect your account and your tweets are viewable and anyone can follow you.
To unprotect your tweets go to settings and uncheck the protect tweets box.
No you don't require a Twitter account.
There is no Twitter account for this.
There are no age requirements to have a Twitter account or use a Twitter account.
Niall's Twitter account is @NiallOfficial, Harry's Twitter account is @Harry Styles, Zayn's Twitter is @zaynmalik, Liam's Twitter account is @Real_Liam_Payne, and Louis's Twitter account is @Louis_Tomlinson._
No he doesn't have a Twitter account.
Yes he does have a twitter account.
He does not have a twitter account
His Twitter account is @jeffgordonweb
There is no Twitter account for this person.
His Twitter account is @cesc4official