oh wow, you actually did it, nice!
gotta say, i really like how the last three updates have changed the game together.
an idea for a future improvement: while i do enjoy the way training is actually interactive now, an "auto-gym" option would probably be a good idea. both as a toggle for those who want to skip the "tedium" of the minigames, and as some kind of improvement in the game.
the way i see it, the toggle could give you slightly below average returns, and the upgrade would give average gains. this way it'd still be an advantage for toggle users to buy the upgrade.