I wanted to share this consolidated list with everyone who is working on building mobile and web apps. When it comes to best practices and standards, my rule of thumb is to follow the white rabbit (platform provider).
Mobile Platform Providers' Design guidelines
iOS Human interface Design Guidelines by Apple
iOS Accessibility Programming Guide
Android UI/UX design principles by Google
Android Making Applications Accessible
Android Implementing Accessability
Microsoft Touch Design Guidelines
Mobile Accessibility: How WCAG 2.0 and Other W3C/WAI Guidelines Apply to Mobile
Java Javascript GO HTML/CSS Best Practices and Guidelines
Adobe AEM developing guideline
Mozilla Javascript developer guide
Happy coding..!..