Specs are quantitative aspects of the option such as the price
Pros
Pro
No time limit to solve the puzzles
There's no time limit to force the issue, but that doesn't matter, because it's so damnably slick to both the touch and the brain that you'll throw moves out with the same speed and grace that climbing into a tiny boat forbids.
Being a portrait style game that has large graphics that are meant to be played with one hand, Threes! fits better on a smaller screen device such as phones more so than a tablet.