What Are The Key Features Of The "Fantunes" Bidding System?
Similar to MICS, all opening 2 bids are intermediate/preemptive. 

2C = 10-16 4441, 4450 or 4432
2D = 14-16 5+,4+ in Minors
2H = 10-16 5+ Hearts and 4+ in Clubs
2S = 10-16 5+ Spades and 4+ Clubs
2NT = 10-13 5+,5+ in Minors
1NT = 13+ thru 16-