Cross-Platform Mobile App with Virtual Assistant

I'm looking for a cross-platform mobile app (iOS and Android) that incorporates a virtual assistant with automated responses. The primary function of this virtual assistant would be to handle product information queries.

Key Features:
-Create AI agent that can browse the net looking for shopping deals
- Designed for both iOS and Android platforms
- Incorporation of a virtual assistant
- Automated responses to product information queries
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Ideal Skills and Experience:
- Proficiency in cross-platform mobile app development
- Experience with integrating virtual assistants in mobile apps
- Solid understanding of automated response systems
- Knowledge about product information query handling systems