Authorization Error by Igor Zyuzin for Indee Mobile
Nice animations on login
Only Text Content App by Sergey Jani via Dribbble
Mobile Design Inspiration - ToFind - Transition Test by Leo Leung — The Best.
Delighting Users — Adding magic to everyday interactions – Medium > FOCUS
Creative animated concept of Material Design floating action button. Excellent example of FAB button.
UI Movement - The best UI design inspiration, every day
5 Mistakes to Avoid When Designing Micro-interactions — Medium
Ritter App - Sketch & Principle Freebie by Sergey Bykov - Dribbble