A virtual pet is traditionally read as a small responsibility that asks for attention at odd hours. Dream books link it to care given out of habit, and to guilt over something left unfed.
When this appeared in your dream, what were you feeling?
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.