Make a game like this. Dragging a box makes another item pop up beside it filling in the gap (so you better connect).
Flat UI Design Elements – Free Download
thumb 20 Fantastic Examples of Flat UI Design In Apps
English Cards Animation
Fresh UI Inspiration in the Era of Google Material and Design Patterns Inspire your interface designs with this roundup of original samples
Cardbook Card Carousel UI Design #UI #UX
blue white illustration layout
The iPad App that can afford, Date/Calendar, Schedule/Task, Weather & Memo. Probably like a Google Keep with more features. But this is no real, just excercise :p Happy Holidays, guys! Cheers!