As you've not provided the product information or details about Life Doctor, I'll create a general plan assuming it's a health/wellness app.

KEYWORDS:
1. Wellness
2. Mental Health
3. Physical Fitness
4. Nutrition
5. Life Coach
6. Holistic Health
7. Customized Health Plan
8. Health Monitoring
9. Stress Management
10. Sleep Tracker
11. Life Doctor App
12. Lifestyle Improvement
13. Personal Wellness Coach
14. Digital Health Assistant
15. Life Quality Improvement
16. Healthy Habits
17. Goal Tracking
18. Health Goals
19. Inspired Living
20. Personal Health Revolution

HEADLINES:
1. Discover a new path to wellness with the Life Doctor app
2. Learn how to manage stress better, sleep better and live better with Life Doctor
3. Get the best personalized health plans tailored to your needs with Life Doctor 
4. Elevate your health goals instantly with the Life Doctor app 
5. Unlock a healthier, happier you – Easily achieve your wellness goals with Life Doctor

BENEFITS:
1. Reach your health goals effortlessly, with personalized plans from the Life Doctor 
2. Improve sleep quality and manage stress effectively with the help of Life Doctor 
3. Gain insights into your physical fitness and nutrition, leading to better overall health 
4. Increase control over your health with real-time health monitoring 
5. Get the feel of a personal wellness coach guiding you towards a healthier lifestyle 

FEATURES:
1. Personalized Health Plans: Customized health and lifestyle plans designed specifically for you 
2. Holistic Health Tracking: Offers complete monitoring from mental health to physical fitness 
3. Intelligent Sleep Tracker and Stress Manager: Smart tools for improved sleep and stress management 
4. Goal Tracking: Helps you stay on track with your health and wellness goals 
5. Virtual Health Assistant: All time access to guidance and support for all your health concerns.