Top Rated Apps for Common Core Standards:

Ruboto Core

Ruboto Core:
This is the common platform for running Ruboto Ruby applications. You need to install this app on your device to run Ruboto apps that share their platform. Ruboto is a development platform for the Ruby programming language.

Google Play Store details:
Ratings – 4.5
Installs – 10,000 – 50,000
Developers – The Ruboto Team