adding screen casts for beta testers in the welcome screen
adding screen casts for beta testers in the welcome screen


Former-commit-id: b479d65e638596840659cf84a9d400b7ee61cc2f
cesine/iLanguage,iLanguage/iLanguage,vronvali/iLanguage,iLanguage/iLanguage,cesine/iLanguage,iLanguage/iLanguage,vronvali/iLanguage,vronvali/iLanguage,iLanguage/iLanguage,vronvali/iLanguage,vronvali/iLanguage,vronvali/iLanguage,cesine/iLanguage,iLanguage/iLanguage,cesine/iLanguage,cesine/iLanguage