This is not too dissimilar to the challenge of responsive web site design; but if your physical device is more constrained (e.g., budget limits you to three buttons and a four letter readout), design can be significantly constrained.

Obligate infovore. Antiviral blogger. All posts made with 100% recycled electrons, sustainably crafted by artisanal artisans. He/him/his.

Obligate infovore. Antiviral blogger. All posts made with 100% recycled electrons, sustainably crafted by artisanal artisans. He/him/his.