Yes it's something like the walking fridge. The leg design is also based on 'the strandbeest', as you noted.
I don't know the stall current. It is not given and we can't measure it, because we don't have the motor at home, yet.
Only the needed power (58 Watts) and the required voltage (24V) are given. Can I make a brief calculation of the max amps based on those numbers?
and about the bluetooth module:
Does it really matter what I buy?
And can I connect your given motor control unit to any basic MCU?