The updated app adds support for 32 new languages so the total number of supported languages in now 51. (windowsphonearea.com)
Please check the list of supported languages, give them a try, and send us your feedback. (blogs.windows.com)
If you are concerned about your child's speech, talk to your pediatrician about causes of speech delays and ways you can support language development at home. (verywellfamily.com)