I mean how can an app know the temperature of your room? Do phones have a sensor for measuring the room temperature? The answer is simply NO, they do NOT. 99.99% of all smartphones do not have that kind of sensor. For the CPU, yes, not for the environment.
These "developers" are therefore liars. If you have any sense of justice, you can’t allow these fake developers to get away with it. The title of these apps are misleading and the description is deceptive. The apps obviously generate random data.
I have reported at least twenty of these apps to Google but since I’m probably the only one reporting it, they will ignore me. That’s why I’m here now, asking you to download as many of these apps as possible, test them (if you don’t believe me) and:
1. rate them with 1 star
2. leave a comment why you are rating them with only one star
3. report them to Google (the 3-dot button in the top right corner – Flag as inappropriate / Other objection / Comment)
Most of them (if not all) come from India and Pakistan. They are probably all from the same "developers", as they look very similar and have almost identical app’s description.
Unfortunately, there’s many more of them..