Before using the app make sure Cortana is enabled, as it enables the text-to-speech on windows phone 8.1.

Important note if using this app, having noticed comments from one of my users reviews, where he has changed countries, that his TTS Voices changed per country visited

Please note for some reason, that certain languages such as Dutch, are not supported under Text-To-Speech. see this list - supported TTS voices before downloading and installing addition languages

Click on start. On start screen, scroll to bottom then click arrow. Scroll up to settings, click on settings. Scroll up to language, click on language. Click on add language. Then from the list of languages, click the checkbox next to each one. Then click add. Takes you back to the language. A restart maybe required for some languages. If required, restart your phone.

Main screen at startup

Save to location screen. Here click on '...' to rename the file to save or change file format. Formats supported are wav/wma.

Save options screen.Here you click on 'rename file' to rename the file to save or change file format. Formats supported are wav/wma.

Save file screen.Here you can change the file name or file type from the dropdown list. Once changes are done then click on save or to exit click cancel.