You can now share your NostrNet app list by clicking "Backup/Restore" in the bottom right corner. Restore your list or back up your own.

My app list using wormhole; you can read this backup files before download, restore it.

Btw, this wormhole file sharing is also coming to NostrNet.work: https://wormhole.app/1E21X#8GyAHDjzLAAEBrH-ab9VpQ