GOOGLE ADS MOBILE – Use this Google advertisement service to let people call you directly from Google search page from Call-only ads. Call-only ads show only on devices that can make calls. There is an option to display your business phone number with an option to call. On mobile phones or tablets one can show Text ads, Image ads, App promotion ads, HTML 5 ads. Within apps on mobile phones or tablets – Text ads, Image ads, App promotion ads, Image app, promotion ads, Video app promotion ads, TrueView for app promotion ads, Responsive display ads.