Is there notification storage on GrapheneOS nostr:nprofile1qqstnr0dfn4w5grepk7t8sc5qp5jqzwnf3lejf7zs6p44xdhfqd9cgsppemhxue69uhkummn9ekx7mp0qywhwumn8ghj7mn0wd68ytnzd96xxmmfdejhytnnda3kjctv9ulj6hdh ?
It does say iOS but probably an android "fearure" too.