It sounds really scary at first, but once you start using it in practice, it's not so bad. As the developer, you simply locate your lowest common denominator d

It sounds really scary at first, but once you start using it in practice, it's not so bad. As the developer, you simply locate your lowest common denominator device (older cell phone) and test it out a few times, adjusting the difficulty as you go until it generally happens fast enough for the UX to be unaffected. Usually after 10 or so tries you get a good idea for the feel of it. There are tons of things in nature that are like this, for example how long it takes a spinning quarter to topple over on the table and land heads or tails. Its theoretically possible it could balance perfectly and never fall, but how many times have you seen that IRL???