As I expected the announcement here is basically the same as the beta server so let me add my experience and missing information that we found out on our own (after 11 days of playing this event on beta).
1. Spring Lantern counter. This shows how many Lanterns you currently have. The main way to get Lanterns are the Spring quests. You can also get a few Lanterns from cherry trees
(1 or 3 or rarely 10) that will show up in the wilderness around your city when you open a chest or complete a quest. Alternatively, you can also use Diamonds.
Finish the main questline (25 quests) as fast as you can!, this way, once you've completed the main questline, you'll get additional quests (one a day till the end of the event) which give you some valuable lanterns. Save and use your lanterns wisely!
2. Chests. There are three of them: bronze, silver and gold. Each of them contains different rewards and you have to pay with Lanterns to get one of them! Hover over the chest of your choice to see what prizes are available for you to win. To see what a more detailed description of each prize, click the '?' icon. Among the rewards, you will find not only buildings from the previous events, but also a few new items! More about them below
.
Dont get confused, the One-Storey Pagoda premium building in the gold chest IS NOT A PIECE OF THE CHERRY GARDEN. Dont waste your first lanterns just to get this building!
3. Daily Special. This is a particularly valuable reward. It's available in every chest and changes every day. The chances of getting the Daily Special differ from chest to chest
: bronze (7%), silver (13%) and gold (25%).
The Nishikigoi Pond and Emperor's Entrance WILL BOTH APPEAR HERE DAYS LATER. In the meantime build up as many lanterns as you can to be able to get both without spending diamonds!
4. The Grand Prize. Every time you open a chest you will also get cherry blossoms which fill up the Grand Prize progress bar. Once this is completely filled up you will get the Grand Prize. You can get the Grand Prize multiple times (it will change to a new one), as the bar will reset when you reach the goal.
The Sakura Rock is the first Grand Prize but dont be in a hurry to get it!. You'll get the Sakura Rock automatically after opening some chests everytime you need to do it. Dont do it the first day of event!
Order of appearance of Cherry Garden Pieces on the Daily Special:
1st. Nishikigoi Pond
2nd. Emperor's Entrance
3rd. Sakura Rock
(get this second Sakura Rock if you want to have a +10% attack boost instead of +5%!)
4th. Zen Zone
5th. Nishikigoi Pond (again)
6th.
Gong of Wisdom (yeah!)
7th. ???
And last but not least this is from beta so 'things may change'! LoL