Emojong collected 6.5 points, followed by Tanzanian Candidate Master (CM), Yusuf Mdoe, in the second position with 5.5 points.
Mdoe had to overcome a stiff competition from Kenya's Githinji Hinga to take the second spot.
Another Ugandan, Haruna Nsumbuga, secured the third position with 5points with a high tie break point.
Hinga finished fourth with high tie break points, beating Tanzanian Nurdin Hassuji, who settled for the fifth spot with 5 point but with less tie break point compared to the Kenyan.
Hassuji, who is also the Tanzania Chess Association (TCA) secretary general, thanked all of the participants, saying the turn up was extremely encouraging and it signals the growth of the sport.
He also hailed domestic players for performing well in the event, outclassing players from such top chess nations like Zambia, Denmark and Spain.
" It was a very good event and I'm happy that our players performed well, I can assure you that chess in now growing in Tanzania," he said.
He said the junior event, which had four categories, attracted 64 players.
The categories were U-8, U-10 , U-12 and U-18.
Tanzania's top junior chess player Cleopas Charles emerged the winner with 3.5 points while Kavya Vadlamudi was the event's best lady performer .
Meanwhile , Hassuji said his association will send 10 players to the 2018 Chess Olympiad and a qualifying event will be held early next year.