Though not an AF destination, codeshares to both JRO & ZNZ may lead to quite a lot of us going there . Not a firsthand report (wife reporting)

Name of the lounge: CIP Lounge

Location : Departure Level. Access is from the ground floor (check-in) to the left, at the end of the hall. The lounge has dedicated custom and security controls. If you have access to the lounge, this is where you will clear customs and security.

Opening Hours: 24/7

Entry requirements: J and STE+ PAX. You should collect a voucher at the check-in desk before heading towards the lounge. Not sure if you show up with an e-boarding pass.

Food offer: Sweet and savory, hot and cold + fruits, cakes, sandwiches, salad

Drinks offer: Juice and water are self-service. Soft drinks and alcohol (wine, champaign, beer) are included but should be asked at the bar

Services
Wifi: YES
Showers: YES
Toilets: YES
Quiet zone: YES
Loungers/sleep area: YES
Business area: YES
Spa: NO
TV area: in the main room, beaming soccer. There are booths where there might be additional TVs
Passengers are called: YES
Information screen: YES
Newspapers: MAYBE

Other information
Number of seats: A LOT, it's really big
Level of noise: HIGH - there is a board game room for kids, and though the door is shut, it's not silent proof.
Design: Modern (considering you're in Tanzania)
View: None
Multi floors: NO
Terrace: YES
Smoking area: YES, on the terrace
Direct boarding: NO

Pictures: