As a courtesy to those of its occupants who prefer rooms, it does have a modality in which it presents itself that way: a room, with as many chairs as it needs, and a bulletin board, and a vending machine with candy and chips and concepts sold for nothing to anyone with the right prerequisites.
On the bulletin board, if one chooses to perceive it as a bulletin board (and not as a wiki or a flower or an ineffable cloud of information or an eternally malleable clay tablet) people whose only common trait is that they get to come here leave each other notes.
Notes about physics, about magic, about grand sweeps of narrative. Notes from people desperate to fix a never-ending heap of problems, smug about the condition of their homes, curious about the wider omniverse. Signed with names and sigils and "you ought to know who I am". Terse or verbose or nested with as much meaning as interests the reader.
In the vending machine, if one chooses to perceive it as a vending machine (and not a basket or a fruiting tree or a file repository or a crystalline fractal) are many things... and they have notes connecting them to their reviews on the bulletin board.
This one, for instance. She (it's usually, but not invariably, a she) has fairly glowing reviews from most of her previous purchasers. Here is what you need to install her; here are some things that are recommended for best results but optional especially if you just want to use her as a beacon for her other instances; here are some things she comes with as add-ons you can take or leave; here is what she is good for. The reviewers who don't like her are annoyed that theirs was too good at it, if you read between the lines. Well, that and the fact that if your universe is unpleasant enough sometimes these critters figure out how to flip you off and leave before they figure out how to solve all your problems. (There is a tangent thread about alternative solutions to similar problems which come bundled with stronger irrational attachment to their homes, but they have more stringent installation requirements.)
They come in these colors and styles; you will need to compensate for the following standard-issue drawbacks in some way if you require services of them that intersect with those areas of disability; they are only rated for upbringings of the following severity and are less likely to hate you if you stay thoroughly under that limit and less likely to fail at important goals if they are given opportunity to self-educate; if you have a way to generate them as instant adults they can begin work immediately but on the standard trajectory age six is the absolute earliest and teens is customary...
There is a chart (if one chooses to perceive it as a chart) of template interactions that have been tried before, but a lot of the more interesting accessory and companion templates are out-of-network for some visitors. What a pity.
"If something does happen to me and I go to Heaven before I'm done doing everything can I come back?"
"What might stop me? Why don't people come back all the time, when people who are still alive miss them?"
"People don't come back all the time because God's powers on Earth are limited and it would be impossible to bring everyone back, and how would you choose who gets their loved ones back and who doesn't? I don't know of anything that would stop you, because you're a divine being--theoretically, sending you back to Earth shouldn't be any harder than transporting an angel to Earth whose physical form had been destroyed once. But I do know that messiahs are fundamentally different from angels on a number of levels--you are human as well as divine on a fundamental level; I can look it, but I'm not. It's theoretically possible that some demonic power or great spell that I don't know of could damage you to the point where it would take more power than God has going spare to send you back. I don't think there is, but I don't know, not for certain. ...Considering that it's never been done, and trust me they would have wanted to, I'm pretty sure you'd have to get tricked into it, if it were possible at all."
"I will try very hard not to be tricked," nods Mehitabel. "Is there math about how much power God has and I have and you have and how much it costs to do things? It seems like there should maybe be math of that."
"I suspect there is math of that. If there is, I don't know it. I was a librarian in Heaven, too, actually; I prefer books to numbers. There are eight other angels on Earth right now. I can ask them if any of them know the relevant math."
"Yes, it rather does. It just wasn't urgent for me in particular to know it before now. Like I said, I'll ask around."
"Oh, yes. If it didn't I'm not sure God would have been able to make you at all. Last time really took it out of Her."
"Maybe she can just pause the universe, and take a really long nap, and wake up and be really miraculous again!"
"That's a good idea, but pausing the entire universe would be a very big miracle by itself. Even moreso if it affected Hell and not just the material world. Keeping a timestop going would probably be low enough maintenance that it would be worth it in the long run, but she won't have the energy to do that for a long time."
"Oh. Are there any things that recharge her faster than just waiting and not doing stuff?"
"Oh. Maybe I should start a religion. Or fix a religion. Or fix lots of religions."
"If you decide to do that, you're probably in a better position than anyone else. But given that people are people, don't be surprised if a considerable number of people who are currently using bad interpretations of religion denounce you as the anti-Christ or similar."
"Yeah... I think I will think about that later when I am not tiny and easy to ignore and when I have cool powers."
"One thing I know you should be able to do early on is healing. Healing, at least in small doses, is a pretty basic divine ability. Next time you scrape your knee or get a papercut or something, try focusing on making it better yourself before coming to me with it."
"Yes, but you should be able to feel it if you approach the edges of what it's a bad idea to do. If you try to heal yourself and you get a feeling like you're about to overextend a muscle instead of nothing, don't push it, but it means your powers are coming in."
"No, but it's a tradeoff--you use energy more efficiently on Earth than other forms of divine being because you're Earthly as well as divine."