This app was mentioned in 10 comments, with an average of 8.90 upvotes
Here's the Play Store link. I had it installed on a previous phone so it's still in my library. https://play.google.com/store/apps/details?id=com.glitchers.catchhero
The page says they have all the data they need so they delisted it at the end of February.
There's always Sea Hero Quest. It's a fun game about navigating a boat to its destination, but it also helps research into dementia.
Sea Hero Quest- A navigational game that helps detect early signs of dementia. https://play.google.com/store/apps/details?id=com.glitchers.catchhero
Circuit- Route Optimiser- An app that uses up-to-date map data to find a fuel-efficient and time-saving route for you. https://play.google.com/store/apps/details?id=com.underwood.route_optimiser
Posture- Reminds periodically to change posture when you strain your neck while using the phone. https://play.google.com/store/apps/details?id=com.pressurelabs.posture
Science Journal- Use sensors in your phone to conduct experiments and record data. https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk
CS Browser- An open-source CAF browser optimised for Snapdragon devices. https://play.google.com/store/apps/details?id=net.scweeny.CS.browser.dev
PadLock (Early Access)- To save padlock codes for bicycles, suitcases, etc. https://play.google.com/store/apps/details?id=com.riccardobusetti.padlock
Hubble Gallery- Browse, download, and learn more about images taken by the Hubble Space Telescope. https://play.google.com/store/apps/details?id=com.derek_s.hubble_gallery
Copy- Copy almost any text on the screen. https://play.google.com/store/apps/details?id=com.weberdo.apps.copy
Encode- A beautiful app to learn the basics of JavaScript with bite-sized lessons. https://play.google.com/store/apps/details?id=com.upskew.encode
RedReader- Open-source Reddit client. https://play.google.com/store/apps/details?id=org.quantumbadger.redreader
M³ Translator- Convert text to morse code, and vice-versa. https://play.google.com/store/apps/details?id=com.morsecode.translator.jinh
Pixel Pill Widget Pro- A standalone app to get the Pixel-style Google pill widget on your homescreen. https://play.google.com/store/apps/details?id=uk.co.hassie.widget.pixelpill
Friendly for Facebook- A lightweight Facebook client with many features. https://play.google.com/store/apps/details?id=io.friendly
Volume Timer- Mute volume for a specific duration. https://play.google.com/store/apps/details?id=com.volumetimer.app
Contextual App Folder (Early Access)- This app places relevant folders on your homescreen when certain events are triggered. For example, your music apps folder will be shown when you connect your headphones. https://play.google.com/store/apps/details?id=com.ctxwidget
In Use- This app silences your phone when you are using it or sets it to ringing/vibration mode when you are not. https://play.google.com/store/apps/details?id=com.gref.inuse
Inkwire Screen Share + Assist- Remotely share your screen with others. Useful for helping someone troubleshoot a problem with their Android phone when you are not around. https://play.google.com/store/apps/details?id=com.koushikdutta.inkwire
Sea Hero Quest- A navigational game that helps detect early signs of dementia. https://play.google.com/store/apps/details?id=com.glitchers.catchhero
Circuit- Route Optimiser- An app that uses up-to-date map data to find a fuel-efficient and time-saving route for you. https://play.google.com/store/apps/details?id=com.underwood.route_optimiser
Posture- Reminds periodically to change posture when you strain your neck while using the phone. https://play.google.com/store/apps/details?id=com.pressurelabs.posture
Science Journal- Use sensors in your phone to conduct experiments and record data. https://play.google.com/store/apps/details?id=com.google.android.apps.forscience.whistlepunk
CS Browser- An open-source CAF browser optimised for Snapdragon devices. https://play.google.com/store/apps/details?id=net.scweeny.CS.browser.dev
PadLock (Early Access)- To save padlock codes for bicycles, suitcases, etc. https://play.google.com/store/apps/details?id=com.riccardobusetti.padlock
Hubble Gallery- Browse, download, and learn more about images taken by the Hubble Space Telescope. https://play.google.com/store/apps/details?id=com.derek_s.hubble_gallery
Copy- Copy almost any text on the screen. https://play.google.com/store/apps/details?id=com.weberdo.apps.copy
Encode- A beautiful app to learn the basics of JavaScript with bite-sized lessons. https://play.google.com/store/apps/details?id=com.upskew.encode
RedReader- Open-source Reddit client. https://play.google.com/store/apps/details?id=org.quantumbadger.redreader
M³ Translator- Convert text to morse code, and vice-versa. https://play.google.com/store/apps/details?id=com.morsecode.translator.jinh
Pixel Pill Widget Pro- A standalone app to get the Pixel-style Google pill widget on your homescreen. https://play.google.com/store/apps/details?id=uk.co.hassie.widget.pixelpill
Friendly for Facebook- A lightweight Facebook client with many features. https://play.google.com/store/apps/details?id=io.friendly
Volume Timer- Mute volume for a specific duration. https://play.google.com/store/apps/details?id=com.volumetimer.app
Contextual App Folder (Early Access)- This app places relevant folders on your homescreen when certain events are triggered. For example, your music apps folder will be shown when you connect your headphones. https://play.google.com/store/apps/details?id=com.ctxwidget
In Use- This app silences your phone when you are using it or sets it to ringing/vibration mode when you are not. https://play.google.com/store/apps/details?id=com.gref.inuse
Inkwire Screen Share + Assist- Remotely share your screen with others. Useful for helping someone troubleshoot a problem with their Android phone when you are not around. https://play.google.com/store/apps/details?id=com.koushikdutta.inkwire
This is free but they gather play data for science:
https://play.google.com/store/apps/details?id=com.glitchers.catchhero
Here is the Android link, since the article screwed it up
https://play.google.com/store/apps/details?id=com.glitchers.catchhero
https://play.google.com/store/apps/details?id=com.glitchers.catchhero https://itunes.apple.com/gb/app/seaheroquest/id1034383306?mt=8 Links if you cant view the site...
https://play.google.com/store/apps/details?id=com.glitchers.catchhero
https://itunes.apple.com/gb/app/seaheroquest/id1034383306?mt=8
Links if you cant view the site...