Q: CPU Load feature doesn't work (always stays at 0%)
A: On Android O and higher there might be SELinux strict mode turned on by default. Use this guide to disable it (at your peril only)
Q: On Android O Cool Tool panel is being hidden under the status bar
A: This is known bug:
regression: can no longer draw over system ui  - Issue Tracker
Q: Xposed Framework features do not work in Pro version.
A: mnt/asec folder is not mounted yet at time xposed framework starts loading modules. That's why your paid app doesn't work. Xposed simply can't load it, because path doesn't exist.
As temporary workaround please try one of following tips:
- Go to mnt/asec/cooltool folder and copy apk file to external storage. Then install it as an usual app.
- Use Titanium Backup to make a backup and then uninstall the app (using Titanium backup). Then use Titanium backup to re-install the app.
- Install this module http://www.modaco.com/topic/361776-xmod-disable-play-store-encryption-mntasec/ (then reinstall cool tool from the store)
Q: Application doesn't work, crashes, failed to pop up floating panel, showing wrong values, located at wrong position, has wrong size, color etc. How to fix this?
A: Go to App settings -> Advanced -> Reset settings to defaults (note: this will reset only current settings preset). Default settings are suitable for most devices and users.
Q: I'm unable to find the "show panel" to toggle the panel
A: My mail box full of similar emails, so i decided to create detailed manual. See below :D
For modern and classic UI
Q: The panel pops up for a second then goes away.
A: Disable "Hide in fullscreen apps" preference. The panel hides because your device doesn't have status bar.
Q: Why CPU temp feature not implemented?
A: This feature implemented partially via custom labels. Try to play with predefined paths. If doesn't help, try to search any info about your device cpu temp file on XDA forum.
Q: Why I can't setup floating panel over status bar/navigation bar
A: Install Xposed Framework and you will get additional overlay modes (and don't forget to root your device)
Q: Notification of "Cool tool is running" has appeared in persistent notifications part of notification bar. I really hate this! What is this???
The only way to disable notification is disabling "Keep in Memory" preference. But i do not recommend it.
Q: Cannot move it to the Right, only up and down...
A: Make sure your panel width is less than screen width ;) (tip: open sliders tab and reduce "panel width" slider value)
Q: I hate floating windows. I want a widget!
A: Sorry, floating window is main concept of this app. No plans to implement widget at this moment.
Q: I hate floating windows. Is it possible to inject panel directly in the status bar?
A: Well, yes! Just install Xposed Framework and enable this feature in the xposed tab (root is required)
Q: Is it possible to implement FPS meter?
A: At this moment no :(
Q: Cellular signal meter doesn't work on my Galaxy Note
A: Its ok. Some Samsung devices has a firmware bug (or feature?) so just accept it as is.
Q: WTF is regex? How to use it?
A: Well if you don't mind my ugly English, please read this post.
Also these docs can be useful:
Q: How to monitor cpu frequency per cores?
A: If you really need this, use custom labels!
Q: I saw the video where you drag the panel with finger. How did you do it?!
A: CoolTool Settings -> Advanced -> Overlay Type: Normal or NAVIGATION_BAR_PANEL
Q: I would like to buy the PRO version but it's not on the Play Store
A: Sorry, not my fault. This is due to Google regional restrictions. No way to upload payed apps from my country.
Q: Too many rights ... What location and record audio?
A: Ok. I hate it too. But all permissions are required for providing such rich functionality:
RECEIVE_BOOT_COMPLETED - Run on Startup feature
SYSTEM_ALERT_WINDOW "Stay On Top" feature
INTERNET & ACCESS_NETWORK_STATE - Ad banner
ACCESS_WIFI_STATE - WiFi Signal determine
VIBRATE - haptic feedback
KILL_BACKGROUND_PROCESSES & RESTART_PACKAGES - Task Killer
CHANGE_NETWORK_STATE - GSM Signal feature
ACCESS_FINE_LOCATION - Num Of GPS Sats feature
WRITE_EXTERNAL_STORAGE - Backup settings to sdcard
MODIFY_AUDIO_SETTINGS & RECORD_AUDIO - equalizer & VU
READ_PHONE_STATE - some phone models required this permission for cell signal reading.
Q: How can I backup my settings?
A: It's done automatically. All your preset slots stored in cooltool_presets folder on sd-card. It is simple xml preference file. If something going wrong you can rename any of presets to "cpuoverlay.xml" and put it to /data/data/ds.cpuoverlay/shared_prefs folder.
There is also Backup to Cloud feature in the advanced tab.
Q: How do I see how much memory is left in my second sd card?
A: Enable "SD Card free space" label or gauge
Enable "External SD" in advanced settings
Enter path to external SD into "External SD path" field
Q: What would you recommend to convert temperatures?
My Galaxy Nexus shows my CPU temperature as 26400 when it should read 26.4ºC.
A: Use regex:
Or if you want to keep decimal precision, change regex and replacement pattern:
Q: What does current gauge shows? Most of time it is full in my phone
A: Battery current feature supported by limited android devices. Most of samsungs and htcs doesn't support it. You can try to enable "estimated current" preference in the advanced settings.
Q: How do you use the Task Killer?
A: As usual. Task Killer allows you to force close all background processes.
Q: Is there a way to show the IP address of an interface with a custom label?
A: You can try "arp" path and regex:\? \((\d+\.\d+\.\d+\.\d+)\).+
Note that arp tool may not be available on your device
Q: Does it battery drain?
A: Nope :)
Q: Why black/white lists doesn't work
A: Say 'thanks' to the google guys https://code.google.com/p/android/issues/detail?id=205565 https://www.youtube.com/watch?v=SkvHA1jBpn8
Q: After marshmallow, ram is definitely wrong showing! 3 giga ram phone and
all other apps show available over 1.5 gb! and cooltool shows around 100mb?
? in lolipop was ok.
A: Try Alternative memory usage mode (see Advanced tab)
Q: CoolTool displays wrong free RAM amount like X MB, when Android Settings show Y MB
A: Android Settings take average RAM usage per time period (3 hours by default), CoolTool shows immediate value. So both values are correct ;)
Also see http://stackoverflow.com/a/2299813/926568
Q: Why TOP process feature doesn't work?
A: Starting from Nougat you need to root your device to get this feature to work
Need more answers? Ask your question in the comments!