Create an amazing responsive mobile menu that looks like a mobile application and give your users a great mobile experience. It is compatible with many menus and can be styled directly within the interface.
Demo: https://www.joomlack.fr/en/joomla-extensions/mobile-menu-ck
All SMS Gateway will help you to send SMS through HTTP-SMPP Protocol and also helps to turn your Android device into an SMS gateway so that you can send and receive SMS.
Demo: https://codecanyon.net/item/mobile-sms-gateway-turn-your-android-device-into-sms-gateway/25323362