Hi Guillermo,
Do you have an Apple or an Android device?
If you have an Apple device you can find the RingRoost download here:
https://itunes.apple.com/us/app/ringroost/id993873138?mt=8&ign-mpt=uo%3D4
If you have an Android device you can find the download here:
https://play.google.com/store/apps/details?id=com.ionicframework.ringroost905184&hl=en
I hope that helps. Let me know if you have any more questions.
Thanks,
RingRoost Support Team