Hi! Just came across your posting. Sounds like you're in need of someone skilled to convert your source code into an .apk file swiftly.
With over 5 years of experience in Android development and having built numerous apps from source code, I'm confident in my ability to get this done for you seamlessly. I understand the importance of testing for a UI/UX designer like you, and I can ensure a smooth and efficient process.
If what I've mentioned aligns with your needs, please let me know a suitable time for you this week, and we can discuss further.
Best regards,
Anuj Tiwary