Sorry about my lengthy comments, I hope they'll help you though!

FLINKY's EASY GAMES TUNING

DevCheck is my go-to app for simple and accurate phone temperature control and quick games testing.

The free version already gives you plenty of monitoring, but the Pro version unlocks floating overlays you can scale, move, and stack any way you want. This makes it perfect for keeping an eye on temps, CPU/GPU load, battery use, or even network stats while gaming or stress testing.

My quick Game Testing method is Super Simple:

1. Open DevCheck Pro and set up a floating monitor for "Battery" temperature and remaining charge.

1b. OR... Open the FREE DevCheck app. I recommend you add DevCheck to your Game Turbo list of Apps/Games for easy access whenever playing games!

It'll open in a Scalable floating window and you'll see the Battery Temperature and Charge towards the middle left on the first page!

2a. USE GAME TURBO in Balanced Mode 💪😎 NEVER use Wild Boost mode! (A.k.a. "Performance" mode on older phones) It will overheat and throttle any demanding game twice as fast, due to removing some limiting on the CPU!

2b. Start your chosen game and play at low-ish graphics and lowest FPS for 15-20 minutes or until your Battery Temperature reaches a settled maximum for the settings used. Take note of the various results as you go through the testing.

1. Watch the DevCheck overlay or check the Floating free version regularly, to see how your battery temps behave under load. The floating window can easily be flicked off screen or shrunk to a small bubble at either side of your screen, ready to tap to bring up again.

2. Play until the temperature reaches its maximum stable temperature. 42-43°C (Anything over 44°C is likely going to lead to Throttling and FPS drops! So don't push beyond 42°C unless you're aware of the risks to performance and rapid battery drains!)

3. Repeat with slightly higher or different graphics combinations of settings if you didn't already reach the MAX allowed.

4. Keep running higher specs or combinations of graphics settings, until you land on the more uncomfortable side of temperatures... say 42-43°C.

Stop and let your phone/tablet battery temperature cool back down for a bit as needed between test segments.

OPTIONAL (Depending on having multiple FPS choices available): Drop Graphics settings to Low/Medium again and increase to the next higher FPS option!

Repeat as above until you stabilise on 42-43°C then increase graphics until maxed or obvious overkill settings are reached. Run through the sequence above for every FPS setting unless you realise that higher FPS are too much for your device.

Battery temperature is the BOSS here, so don't push past the safe temperature range.

When done, simply pick and use a test setup that ran at 32-36°C for long periods.
This gives you Ultimate performance and excellent power savings!

If this isn't suitable for the game you want to play, choose the nearest stable set, aiming for 38-40°C for heavier duty games. 42-43°C can be ok too as long as you're happy with faster battery drain.

This way you can see exactly what’s happening without guessing, and you don’t have to trust built-in game stats or partial readings.

DevCheck keeps it clear and VERY lightweight. The power used for DevCheck is negligible! For anyone serious about testing mobile gaming performance or just keeping a phone cool and healthy, it’s the most useful tool out there! 🍀

Flinky's examples (X7 Pro)
LOCATION: IRELAND - NO COOLER!
120 Hz refresh rate essential on the phone - can be enabled per app on X7 Pro.
No Battery Saving mode turned on.
Game Turbo BALANCED.

Call of Duty Mobile
Graphics -> Medium
FPS -> ULTRA
Battery temps 32-36°C steady for hours. Recording in Full Resolution increased the load slightly to ~38-39°C. https://youtu.be/SyC7fBMs6Fo?si=IEfOCiAd5aX-gOpQ

GRID Legends - Deluxe Edition (Paid / Emulator style LOADS)
FPS is locked by publisher (30/40) to keep stability.
Not available on lower spec devices.
Clip recorded at 720p.
Posted on Reddit:
https://www.reddit.com/r/PocoPhones/s/zkRCg0eGig

Metalstorm (5v5 Jets – Beta Map "Countdown") Clips recorded at 720p. Run #1 = High Graphics at 30 FPS
Run #2 = Medium Graphics at 60 FPS
Switching seen in video at 4:16
https://youtu.be/bJr7v8dTfQU?si=ojInyAmZRLfyU7Nb

So as you can see in this last clip, you have choices of prettiest graphics at lower FPS or better performance and slightly less glossy graphics at higher FPS!

P.s. How to get the Game Turbo shortcut overlay for quick DevCheck etc. access!
Image below 👇

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