Improve Cancer-related Cognitive Impairment

This study tests whether a brain-training app on a smartphone or tablet can help women receiving chemotherapy for gynecologic cancers (uterine, ovarian, cervical, and others) manage "chemo brain" — the memory and concentration difficulties that often come with cancer treatment. **You may be eligible if...** - You are over 21 years old - You have been newly diagnosed with a gynecologic cancer (uterus, cervix, ovary, fallopian tube, vulva, or vagina) and are currently receiving chemotherapy - You own a smartphone or tablet and are able to download a cognitive training app **You may NOT be eligible if...** - You have a medical diagnosis of dementia - You are currently taking more than one medication for a significant mental health condition (single-agent treatment for depression or anxiety is okay) - You are under 21 years old Talk to your doctor to see if this trial is right for you.