A comprehensive Android demo app showcasing NFC, UPI, and Card payment methods with PIN security, haptic feedback, swipe gestures, and real-time validation. Built with Kotlin and Material Design.
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Updated
Sep 21, 2025 - Kotlin
A comprehensive Android demo app showcasing NFC, UPI, and Card payment methods with PIN security, haptic feedback, swipe gestures, and real-time validation. Built with Kotlin and Material Design.
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A production-ready React Form Wizard with real-time validation, step-level error tracking, scroll-to-error UX, restricted input filtering, 21+ DOB validation, and keyboard-driven automation — built using React 18, Ant Design, and Vite.
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