For several weeks now I invested some time developing web applications by means of JavaScript, Meteor, React, Bootstrap and MongoDB. By now I put the first version of my didactic play online:
http://club76huette.meteorapp.com
It’s not perfect but I think it is far from bad! With the needed expertise you can realize really cool stuff.
The web application is optimized for handling on your mobile phone. In future I am planning for implementing an Android/iPhone app as well. Due to Meteor/Cordova this is a small step only apart of.