Why specifically non-Latin languages? Many Latin-based languages like English, Spanish, Italian, and others share a similar alphabet and structure. Non-Latin languages, such as Korean, Arabic, Hebrew, etc., are much different and can confuse non-native speakers. As stated during its Duocon live stream, Duolingo’s goal is to make it easier and more intuitive for people to learn these more complicated alphabets.
One of these new tools is a tab that appears for some languages, which displays a grid of characters from that alphabet. Each character in this grid has an accompanying English reading, and you can tap each entry to hear how they're pronounced.