ChatGPT for Android is now available for download in the US, India, Bangladesh, and Brazil. OpenAI plan to expand the rollout to additional countries over the next week.
https://play.google.com/store/apps/details?id=com.openai.chatgpt&pli=1
https://play.google.com/store/apps/details?id=com.openai.chatgpt&pli=1