Please take a look at Tr8nHub.com Our platform with all the SDKs (for mobile, web and desktop) addresses all of the concerns you've raised. The SDKs will choos

Please take a look at Tr8nHub.com Our platform with all the SDKs (for mobile, web and desktop) addresses all of the concerns you've raised. The SDKs will choose language based on your preferences in the browser, mobile device or OS, yet you are also given a choice to override the defaults by choosing a specific language.