You're welcome!
Aww, too bad for the Mac... in the page of the game you can find the downloads, but at the moment there's no plan for Mac versions...
Ok, about battles against potions, this is what happens: the length of the battle screens of potions is very long (more than 10 times longer than average, or something), the potion keeps running away in that direction, until it will eventually reach the right edge and will successfully escape. That gives you enough room to chasing them, assuming your speed is enough to even attempt (without boosts it's impossible for minion potions). If the potion gets out of your sight, it's still in battle, it dindn't run away yet (it will be pretty clear when that happens)... anyway probably that will mean that you have no chance to reaching them, so it's more convenient to retreat.
Aha, i see! I'm glad i can be part of your practicing, i'll take a look to your profile
As soon as i have a web version update i'll let you know! A video recording would be gold: watching a player, a developer can grasp details about their behavior that cannot be turned into words, and actually several information that the player wouldn't even be aware about as well