Architecture : Mobile Client, Web backend. Key : J2SE/J2EE, Servlets, JSP, Hibernate, Tomcat, Java, Native Android, Php, Struts2, HTML, JS. D3 libraries, Android Front end Others: Git, OAuth, REST, Mysql.Apache HTTP Client, Material Design Social: Twilio APIs, Google APIs, facebook Apis. Web hosts : AWS, Amazon s3, Azure, Wordpress