It looks like it has a dependency on Gmap which doesn't appear to be ported yet, so it's a multi-step port. I think @stpaultim's suggestion to post a port request in the queue is a good place to start.
Hi @Gnome and welcome to Backdrop
When I create custom layout templates I put them in /layouts/custom/my_layout
Note: you can split modules and layouts between contrib and custom...
Posted6 days 7 hours ago by Martin Price | System Horizons Ltd (yorkshirepudding) on:
This post explains how to do this in Drupal 7. In Backdrop, File Entity is already part of core. You will need to download and install module Views Field View.
https://drupal.stackexchange...
Posted1 week 15 hours ago by Alejandro Cremaschi (argiepiano) on:
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Have you tried it in Backdrop? It looks quite simple and may just work.
It has been suggested in this discussion, https://forum.backdropcms.org/forum-topic/where-make-request-drupal-modu... that you might post a module port request here:
https://github.com/backdrop-ops/contrib/issues (tag it "port request").
There are no guarantees, but I have seen items posted here get ported.
It looks like it has a dependency on Gmap which doesn't appear to be ported yet, so it's a multi-step port. I think @stpaultim's suggestion to post a port request in the queue is a good place to start.