Here are the steps to use it:
1) make sure you activated publicnet (green button in menu)
2) Create your own list, by entering "Name, public key;" separate the entries by ";"
-> https://smartstellar.org/mykeys/create
3) Show listing. Be aware it takes some seconds until all entries are checked
-> https://smartstellar.org/mykeys/show
I hope it is clear now. Please forward to anybody who can use this service.