I want to change language in Samsung Galaxy Tab GT-P from English to Japanese, Language and Input -> Language: no has Japanese Language: Android version. How to Root Samsung Galaxy S(GT-IM?. If you're billingual or studying a new language, your Galaxy phone can help you out. You can set multiple languages on your phone and even set a different. This should take you to your home screen. In this case we're using a Samsung Galaxy S5 Smartphone. Change Android System Language to Japanese. Background: Firstly please take a look at the similar post: How do I add a new language?. Adding a full language support for a device is done at. Learn how to add a Japanese keyboard to your Samsung Galaxy S III in 5 minutes or less without rooting or installing 3rd-party apps. How do I change the language and keyboard used on my Samsung Galaxy Alpha To change the language on your device, from the Home screen touch Apps. My Galaxy S2 let me set the language to Japanese but my new S4 doesn't seem to have it listed. Is there a way to install it or something like. Hi guys!! I'm thinking about buying a Samsung Galaxy S III next month I'm used to the iOS, but i kinda like decided to change a little, LOL. So.