Yes. eSIMAdvice currently lists 9 AeroCell Andorra plans.
The lowest displayed AeroCell Andorra plan is Andorra · 500 MB · 1 day · 4G, at $1.99.
Andorra · 10 GB · 1 day · 4G is the current best-value match by displayed price per GB: $1.84/GB ($18.39 in total).
Yes. Eligible displayed prices already include the active AFFINCO coupon where the provider rule applies.