Interactive Prototype: http://rcaf0o.axshare.com/

The GUI was designed to fit the new (supposed) iPhone 8 (non-linear) frame, while still complying with the Google's Material Design (April 2017) and Apple's Human Interface Guideline.

Other sketches (below)

Conclusion

The fast paced prototyping makes quite a cool challenge, not only the low-fidelity with flux definition, but the high-fidelity trains you for Graphic User Interface development, from study of references to choosing a color palette, everything must fit like a glove in the end, and learning to make the right decisions in the beginning will certainly low the number of redesigns throughout the process.

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