Joss paper is burned to send comfort to the ancestors. In a dream it is read as care for those who are gone and a way of keeping the bond with them alive.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.