"Alright, let's try plus!"
She pressed plus for a few seconds, and numbers on the screen started to increase. They went from 5'7", through 6, 7, 9, 12 up to 15'
"Well, for now nothing happens". Then she noticed flashing "Apply" button. "I don't even know". And so she pressed it.
Soon she heard strange, cracking sound, like something was expanding. "What the hell?" she said to herself. Then she noticed that this sound was coming from inside her clothing. She looked down and saw what made that noise: it was her body. Her yoga pants were coming up her legs, now starting to look like really tight shorts. Also, her tank top ripped slowly at seams.
She was now clearly expanding.
Maureen sat down shocked, not able to say a word, just watching the show.
Soon, her pants with her tank top ripped and fell down, leaving her with shrinking panties and sports bra. Her flesh was overflowing these underwear, her B tits always fitting were now much bigger than her head was few minutes earlier. Her ass also was astonishing. Few moments later, even those scraps of cloth gave up and now girl was sitting on the sofa stark naked, inhumanly huge.
Good, that builders of her house decided to put the ceiling higher than usual.
It took some time for her to sober from the shock. With a little spinning feeling in her head, she faced the mirror. Inside, she saw long, sexy, smooth legs as long as average human. When she turned around, her gaze met firm buttocks, which she was always proud of. "Damn" Maureen thought "This is not some calculator" she dumbly stated. To see, how her upper body looked like, she had to crouch. She was still the very same girl she was before, just tall. Really tall. That thought aroused her. She smiled to herself "Now I AM really something unique".
After short masturbation session on a couch, she shrunk herself to her original height (alright... she left herself at 6'4" just to keep that domination feeling).
She looked at device and pondered what to change next...