As a Mainland Chinese player, I request the Chinese localization in the terms of Menu Page, Settings Page and Map Page(for Mainland China, HK, Macao, Taiwan and some region naming location in Chinese Characters, for instance, Japan.
As for ATC, there is a Chinese standard ATC phraseology better to be translated by Chinese Community.
By the way, the Tutorials are highly recommended to translate to Chinese to welcome the new pilots from China and more other newbies speaking Chinese.