hi i had learn c++ and something about the framework Qt but the problem that the Qt is not used for building apps smartphone like C# or JAVA !! so do u advice me to leave c++ and Qt and start with C# or JAVA ?? please i need your Advice Thank you

hi i had learn c++ and something about the framework Qt but the problem that the Qt is not used for building apps smartphone like C# or JAVA !! so do u advice me to leave c++ and Qt and start with C# or JAVA ?? please i need your Advice Thank you :)