Mindfulness-based Ecological Momentary Intervention for Smoking Cessation Among Cancer Survivors

Inclusion Criteria: * ≥18 years old * smoked ≥1 cigarette per day (even one or two puffs) within the past 30 days * having been diagnosed with cancer * being motivated to quit in the next 30 days * having a valid home address and functioning phone number * being able to read, write, and speak English * having a smartphone that allows installation of the app * willingness to download the app Exclusion Criteria: * being enrolled in a smoking cessation program * current use of smoking cessation medications * evidence of current psychosis * current/planning pregnancy or lactation