There are plenty of self-care or self-help apps available on the App Store or Google Play. Here are some to explore and download 🙂
Depression CBT Self-Help Guide:
https://play.google.com/store/apps/details?id=com.excelatlife.depression
50 Ways to Practice Self Care:
https://play.google.com/store/apps/details?id=com.andromo.dev594673.app741372
Sanity & Self: Self-Care Guide by Moov Inc.