Added Akari (of course), umm... talked to her, gave her a present, and did the
thing. Is that it? lol What else do you need to do? How do you set up the clock? lol
The main part is just collecting/unlocking cards and voices, which is done through a mix of those action buttons and spending coins.
Beyond that, there's a conversation mode (I think by default the app will always start up in that mode but you can turn that off optionally) that provides some additional context for the voices.
When you're on a card and press the far left Voice button (rather than the second one, which is random) it'll open a window with individual buttons for each voice on the card, and required love level values for any voices that aren't unlocked yet.
On Akari's card list screen, you can see two cards out of the 17 that have red rectangles with numbers on them; those are the only two that are unlocked by raising love level instead of spending coins.
Looks like Akari supports the basics (Caress, Voice, Talk, Alarm, Present) plus Photo and Super-Caress (on one of the higher cards) but not Kiss.
How creepy Caress is is sort of up to you.
Unlike with Kiss, there's no location detection, so it doesn't matter where you rub the screen, could be some random point that's not even on the character.
The lines they say in response to it mostly go along with the idea of ruffling their hair/patting their head, but of course it lets you touch the image anywhere, so the the lines they speak may wind up sounding various degrees of interesting depending on where you choose to put your fingers...
Nobody will know but you.
Other than the Voice buttons, the only actions that return voiced responses are Super-Caress and Super-Kiss. The responses to all other actions are unvoiced text.
Using any of the actions (including photos) will raise her love level, but there's a limit of how much you can do at a time. If you do too much, it will cause a blue rectangle of text to appear that says she's getting upset/annoyed and you should wait until later. If a wife's annoyance level is above zero, it will decrease the amount her love level increases from actions, until you "burn off" her annoyance with repeated positive actions. She also gets annoyed/upset if you ignore her for too long. Giving presents seems to be disconnected from annoyance.
From left to right on the actions bar at the bottom of any card:
Voice - 3 times, resets after 2 hours (shared reset for both buttons)
Random Voice - same as the above, shared reset
Caress (Rub) - 7 times, resets after 1 hour ("times" means 7 love-level increase pop-ups, even if you did it all at once without lifting your finger)
Once the 7th number pops up (and then no more numbers pop up) you'll want to stop rubbing the screen, because if you keep rubbing it will silently increase her annoyance level without actually showing the blue text warning window until after you finally release your finger, so you can potentially max her annoyance that way.
Talk - 3 times, resets after 1 hour
The text you enter here doesn't matter, although you can link a Twitter account and show the world what you're saying to your wife if you want.
Alarm ("Have Her Wake You Up") - 1 time, resets after 24 hours
This sets an alarm clock using one of the voices from unlocked voices for that card (defaults to random)
Present - select from your inventory of presents
The basic usage of this is just a way to raise love level quickly, but there are some special items and special usage of ordinary items that come up also.
Many characters have a card that's unlocked by given them a certain number of a certain item, and the Super-Caress and Super-Kiss buttons on cards that have those have to be unlocked by giving specific presents also.
Giving presents never annoys your wife so there's no wait times involved.
Kiss - 1 time, resets after 3 hours
Akari doesn't have this, but many characters do. Does what it sounds like; let's you kiss her. Unlike Caress, this only works on your wives' mouths. Trying to kiss anywhere else will result in a "miss" message (but as far as I know missing doesn't cause annoyance).
Incidentally, capacitive touch screens work with lips as well as fingers.
Photo - 5 times, resets in 2 hours
This only raises her love level if you save the photo.
Each card has its own photo overlay. Some characters support publishing your photos to your in-game profile for other players to see. (Akari isn't one of them.)
Super-Caress and
Super-Kiss
Some characters have these. (Akari has Super-Caress).
They're only on one card per character.
Unlike all the other actions (besides the Voice buttons) these two return a voiced response from your wife.
Super-Caress - 20 times, resets after 1 hour
Super-Kiss - 3 times, resets after 3 hours
That's the basics.
There's other stuff like the daily log in bonus (main source of free coins), the "install sponsored apps for coins" thing (doesn't work on rooted phones), daily free silver gacha machine spin, item wish lists (for unlocking cards), giving items to other players for extra silver gacha spins, group events where everybody has to reach a certain total action goal (e.g. 900,000 kisses) to unlock cards for everybody.
Lately they introduced unlock codes for special cards that are tied to other things, like that final one on Akari with the yellow rectangle, which requires a code from the October issue of Comic Blade.