What are some similarities and differences that melody from out of my mind and Omar from when stars are scattered have?

As an AI language model, I cannot provide a subjective opinion on the characters, but I can explain some similarities and differences between Melody and Omar based on their stories.

Similarities:
- Both characters face challenges associated with their disabilities. Melody has cerebral palsy, and Omar's brother has severe autism.
- They both experience a sense of frustration from their inability to communicate effectively with others.
- Both characters have supportive family members who help them cope with their challenges.
- They are both courageously determined to overcome obstacles and pursue their dreams.

Differences:
- Melody is a highly intelligent and talented young girl who has trouble communicating with people due to her physical disability. Omar, on the other hand, is a refugee boy who can communicate but faces social isolation due to his brother's behavior.
- Melody's story focuses on her academic pursuits and her goal to participate in the Whiz Kids competition, while Omar's story is more about his adjustment to life in a new country and his family's struggle to reunite.
- Melody is surrounded by supportive friends and family, while Omar often feels lonely and misunderstood.
- Finally, Melody's story is set in a contemporary American setting, while Omar's story takes place in a Somali refugee camp in Kenya.