Inclusion Criteria:  Age 18-65 years Chinese immigrant Have smoked at least 100 cigarettes in a lifetime Smoke ≥3 days per week Be somewhat interested in quitting smoking Has a Smartphone Current WeChat user who uses WeChat on ≥3 days per week Live in NYC Can read and speak Chinese Be able to provide consent  Exclusion Criteria:  Current participation in other smoking cessation treatment program(s) Be pregnant or breastfeeding