[One (M8) Android Development] Kyuubi10:
Don't misunderstand, I'm not arguing either, I just like debating :)

And if there are any misconceptions I find it useful to correct them, for the benefit of the community.

1) I don't know about force GPU rendering affecting gaming performance...but personally I would not game on my phone, so I guess its not an issue for myself.

2) Many users stopped using greenify? That is not what I have heard.

Check this article https://www.androidpit.com/greenify-vs-doze-android-marshmallow

These are the benefits of greenify (Which doze does NOT do)

Hibernate apps & stop them from running in the background, even while phone is being actively used. (doze requires and idle phone, with screen off, and without moving e.g. on a table)

Usefulness:

Stops annoying apps from leaving notifications

Hibernates apps which use too much battery - looking at facebook here.

Save RAM and CPU by keepings unwanted apps from running in the background.

Hibernates apps which use wakelocks - Apps which use wakelocks could in theory keep doze from ever starting, note the battery drain happening here.

All the above while the phone is being actively used, with screen ON etc... - Something which Doze does NOT do.
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Therefore, keep in mind, doze and greenify DO NOT do the same thing. And they can run perfectly in sync with each other. Without one disturbing the other.

3) I also don't know what "fandom" is, sounds like something good. Mind sharing a link? If I find it useful I wont hesitate to start using it.

4) Again, I respect opinions, but I find that it's better to correct misinformation before the community takes them as facts. An example is when you said that Doze and Greenify do the same thing...that's a misconception, which actually saved my HTCs battery life, since without Greenify's hibernating ability I would still be getting the battery drain since the wakelock from HTC Mode and Facebook would not allow Doze to even start.

But I respect your opinion tht fandom is better than entropy, I don't yet know if it's true or not. I am willing to find out. And excited to find out :D

And yes, the HTC One M8 is a beast...I agree, but I like taming my beast and training it to be as efficient as I could possibly make it. With average use I have been able to make my Marshmallow M8 last for over 20 Hours on a single charge. All thanks to the advice I have given before, all without any lag or stutter on my phone.

Lol you're welcome....I enjoy debates as well xD

As long as they are not disrespectful. I find that they are a great way to improve my own knowledge.

Unless you are being sarcastic....in which case I'm sad :(

Well, yes makes sense up to a certain point.

You are right, defragging is not a heavily necessary thing anymore, but not for the reasons you think. Yes the OS handles it (Speaking of Windows btw), but the true reason is that most people don't even manage to fill up their 1/2 TB HDD to even 70% of it's capacity. And defragmentation is honestly useless unless you have reached around 90% device capacity. Only then defrags will make a difference.

This being said, coming back to Android, the OS as it is currently is at the best it has ever been. And most of the things which used to be needed are not anymore.

But just because that is true for certain things, it is not true for everything.

Clearing RAM is not needed anymore...at all. RAM should always be left alone. If you have an app which is taking too much RAM while active in the background, then Hibernating it through greenify will be the ideal solution, and let the OS deal with RAM. But the OS will NOT force close an app, and often times when you force close that app manually, it will simply auto restart. If you don't want it autorestarting but you still want to be able to use that app once in a while, then greenifying it is the ideal option! Rather than completely disabling it.

Cache also is not needed to be cleared....you device is not gonna die from being filled up with cache, and most phone are powerful enough to still be fast and useful with full cache.

But that doesn't mean that clearing cache periodically (weekly or monthly) is useless...while it may be negligible, it still provides an improvement. As I said before...I like squeezing every drop of efficiency from my device as much as I can. It's my hobby...I am not gonna force others to be like me, but also I will correct misconceptions, as I said before.

E.g. Saying that OS can do the same that Greenify does but better is quite a misconception. Since OS does NOT do what greenify does. As I mentioned before.

Personally I think that Greenify is still very relevant for all the reasons mentioned in this post, unlike clearing cache, which is not a great improvement as it once was. So clearing cache is not relevant anymore, and can be ignored. But Greenify IMHO still has a lot of advantages to offer us.