This is some instructions for how to to extract the root cert for the openshift route and install on a real device.
openssl s_client -showcerts -connect host:port
For example
openssl s_client -showcerts -connect 192.168.37.1:8443
The last cert in the format of the one in this gist will be the root cert. Ensure to catch all of it from the lines --BEGIN CERTIFICATE--- to the corresponding line for end of cert.
Save Certificate as openhsift.crt and add it to the gist on github.
To add this cert, browse to the gist on mobile device and view on desktop site, then got to raw & you should be able to install this on the device then.
Once this is installed you need to go to trust it:
Settings > General > About > Certificate Trust Settings. Under "Enable full trust for root certificates," turn on trust for the certificate.