Im not familiar with Plebster because im not an android user. However most clients have a relay list in the settings. You already have 12. On a mobile device to many will drain the battery. And if you delete any it will erase info. Does this help
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Im talking about adding my node to the public list
Got it. I used https://iris.to/global because they have a push option. It will send they relay list to most clients.