Since Koi Pond is the App Store’s #1 Paid App today, we thought we’d give it a whirl (and frankly, we could use the relaxation in light of a long night last night with a certain sick child) — so here we are with the Koi Pond installed on our iPhone as a result. The upshot? It IS relaxing, surprisingly so, to watch these gentle fish languidly navigate their paths through the water until you interrupt them with a little tap. Every tap disturbs the fish, though they don’t always go so far off screen that you’re waiting for long to see them again. The splash sounds would do a Foley Artist proud — well programmed/recorded and well-delivered in terms of realism. So if you want a Koi Pond and don’t have the backyard for it (or have young children and want to amuse them on a long flight), this app’s for you. And, as it turns out, for us, on a stressful day. (SA)