The Dutch Confraternity of Saint James (Nederlands Genootschap van Sint Jacob - NGSJ) offers many GPX / KMZ files on its website that can help you finding your route along the camino. These files
can be downloaded in your smartphone and with which you can follow every camino in Spain, Portugal, France, Belgium and the Netherlands.
In addition to the routes, there are also separate GPX / KMZ files with information (in Dutch) the exact location of sleeping accomodation. With this you can also follow the route on the Camino Primitivo and find every albergue.
On the interactive map (you find the link to it below) you can see all Spanish camino's and information about albergues in the way as you can download. If you click on a route below you will find more information about that route, if you click on the numbers you will find albergues on these routes. You can zoom in to street level. All this offered by the NGSJ.
You can download these routes and overnight addresses from this download page of the NGSJ, on top you will find a translate button. The addresses are also available as PDF.
Not sure how to download and use these files in your smartphone? Don't worry, you'll find a step-by-step guide in English at the top of the download page.
Have fun and Buen Camino!