I think the idea is promising and needed. There should be a vast amount of space in the African market for this. If this is done properly, it can help generate economic activity in active regions by increasing the quality and ease of experience of people using hotels through Siris Rooms.
How long will it take you to become Ramen profitable? The traffic in Nairobi (compared to SF, for example) may not be heavy enough, requiring you to spend and expand.