Judging by the Tenkaichi 2 character list on Wikipedia, it looks like Brolly will have his controlled Super Saiyan form instead of his normal one. They should just give him his original Super Saiyan form, but that's just me. There hasn't been much news lately, though the official site was updated 10 days ago:
Original: 前作『Sparking!』からさらにパワーアップした『NEO』の各種モード。
それぞれの内容を確認しよう!
Translated: Previous production ' Sparking! ' The empty furthermore power it raised ' NEO ' various modes. The respective contents will be verified!
Original: 今回のメインモードがこのモード。原作を再現したシナリオを楽しむだけではなく、
RPGのように仲間とともに世界中を旅することができる。
Translated: The latest main mode this mode. Not only enjoying the scenario which reproduces the original, like RPG with the companion it is possible to travel through the world.
Original: 複数のコースで計100人の相手と戦うランキング戦モード。
コースごとに対戦相手、対戦数、バトル条件などが決まっており、
?サバイバル??タッグ戦?など、戦闘条件は多岐にわたる。
Translated: The ranking game mode which fights with total 100 partners with plural courses. The opponent, the frequency and battle condition etc. of opposition have been decided in every course, "survival" "tag game" and so on, it diverges aggressive condition.
Original: 前作にもあった「天下一武道会」と「セルゲーム」のほかに、劇場版でボージャックたちが乗っ取った「天下一大武道会」が追加された。優勝すれば「Zアイテム」が手に入る。
Translated: It was even in the previous production, other than "public one martial arts meeting" and the "cell game", the baud jack took over in theater edition, "public very important martial arts meeting" was added. If it wins, the "Z item" enters into the hand.
Original: 育成したキャラクターのパスワードを入力することが可能。
友達からパスワードをもらい入力すれば、そのキャラクターと対戦することができる。
Translated: It is possible to input the password of the character which it reared. If you receive the password from the friend and input, it is possible to oppose with that character.
Original: 戦闘の操作を教えてくれるモードがパワーアップ! 実際に操作をして練習ができるモードを追加された。
Translated: Teaches the operation of battle the mode which power rise! Actually operating, it was added the mode which can do practice.
I translated all of this with Babel Fish (
http://babelfish.altavista.com/), and only the text on the page was translated.
Source: http://dbzs-neo.jp/game_05.html