This study will evaluate whether the 12-week health coaching mobile application (LIVEN) will succeed in enhancing lifestyle behaviors in adults with Type 2 Diabetes compared to typical treatment. The mobile application's viability will be assessed in 2 parts; the first part is testing easiness and friendliness of using Liven by the patient and health coach. The second part is evaluating the suitability of Liven education material for the patients and whether the coaching program results in enhancing lifestyle behaviors and blood sugar levels. the investigators hypothesize that the 12-week online lifestyle-coaching program will be viable, and a full-scale study can proceed.