markdown support2 admob1 ai1 ai chat1 ai chat assistant1 ai chatbot1 android 141 chat history1 clean architecture1 conversational ai1 customizable chat1 dall-e 31 dark mode1 google gemini1 gpt-41 image generation1 in-app purchases1 interactive assistant1 jetpack compose1 kotlin1 local storage1 mobile-friendly chat1 modern ui1 php web app1 responsive chat1 rewarded ads1 stable diffusion1 text-to-speech1