Foldables Changed Phone Typing: Build a Split‑Thumbs Test for Inner vs Cover Screens
Foldable phones reshaped thumb‑typing, but most typing tests still assume a single slab phone. This article shows how to build a dedicated mobile test mode that runs on both the inner and cover screens, compares split vs standard layouts and swipe vs tap input, and even includes language‑switch tasks. You’ll get concrete metrics, implementation pointers, and tuning tips to reveal when a split layout helps—or hurts.
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