We know core programming therefore we can use most web development/application development API (application programmers interfaces) We currently offer custom web development in the following program languges/techniques. html5(or should I say html), javascript, php, css3 grid layout, css3 liquid layout, web design, graphic design, user interfaces, backend, website server integration, mysql database integration, android games, android business apps, java and kotlin, C++, BluePrints(UE4).
I specialize in RIA we create programs with most web program API which your application may require, we are just most comfortable with above mentioned program languages/techniques.