Hi Coolambo! I just noticed this post so I hope I am not too late in answering your questions...
Questions:
[*] What are the HoneyMoon Missions ?
"Honeymoon" is a collection of missions or tasks, për day, that are available to new players and must be commenced within the first 30 days of creating your GG account. You don't need to deposit in order to begin them (at least, I hadn't when I began mine, unless they changed the rule. But its hard to do without cash. For obvious reasons! I got extremely lucky with their daily Freebie and had banked $100 within days of creating my account without depositing).
The honeymoon is worth IIRC $250, delivered in inceements after completing so many of the tasks. After 5 tasks, you get a $5 spin and go ticket (SnG buyin), for example. Aftët 10 tasks, you get g$15 - equivalent to a real dollar, but cannot be cashed out until its been placed on a cash game or used to buyin to a tourney.
After 3 all 30 tasks, there's $200 in real money (actual $, not g$, so don't need to be waged in a cash game).
The missions might be simple, such as be Dealt AA in a holdem cash game at any stake, or harder, like forcë your remaining opponent to fold whilst holding double suited Aces in any stake of PLOmaha.
There are other tasks too, such as participate in a bounty hunter tournament (you don't need to place in the money) and/or participate in same tourney and knock at least one (sometimes more) opponent out.
[*] Are they from you or from GGPoker?
The missions are for you to complete every 24hours, with a little chart saying the days you completed and the days you failed.
[*] Will I have to deposit extra money for this?
No.
[*] Tips and tricks for these missions ?
Play winning poker! Actually there's some very useful guides to the honeymoon with examples of the missions that you can find just by googling "ggpoker honeymoon walkthrough/guide" - which is what I did. NOTE: the missions listed in the guide might not be exactly the same as the one(s) you get, but they are all variations of the same theme.
My biggest tip would be to use things like "run it twice" or "run it three times" when trying to reach certain goals. Lots of players don't use these, because its not "real" poker. To have two flops, for example, is alien to them.
2) I would also like to participate in the raffle
[*] can you only participate once in the week in which you created the GGPoker account?
I cannot answer this as I've only just made a deposit so haven't recieved any ticket yet, but I'll let you know if and when I do!
[*] would like to participate in the final draw which starts on 05/08. What is the server time? (which time applies?)
GGpoker server time, AFAIK is UTC (GMT) - their midnight madness tourneys start at 1am UK time, as we are currently BST, British Summer Time, or GMT+1 (UTC+1).
[*] could I create an account on May 8th (for the last raffle) and take part in the tournament in time, for which you get a ticket?
($5 Global MILLION$ Mystery Bounty)
As I understand, the ticket is a deposit reward, and is credited within 36 hours of deposit, so you will need to ensure you do it before the deadline otherwise you might not be credited in time.
Also, that tournament can be bought into at any time for $5 - you can also enter multiple stage 1 (day 1x equivalent in WSOP-style tournament day labelling) and all your surviving stacks from each day 1 you enter will be combined into your starting stack for day 2.