Besides the already mentioned things (ff+adblock, termux, etc): 1. Aard2 Dictionary Offline Wikipedia for eg. travelling. Other Mediawiki dumps are supported

Besides the already mentioned things (ff+adblock, termux, etc): 1. Aard2 Dictionary Offline Wikipedia for eg. travelling. Other Mediawiki dumps are supported as well. Bonus: if you deactivate image loading you don't leave any trace online. 2. use old saved app versions 3. USB-CDROM-emulator via usb gadget mode and a USB-CDROM drive app that "inserts" .iso files off your sdcard (eg. Win10 install disk, Grml.org live CD, servicepack disks etc) 4. rtl-sdr radio scanner, handy for eg. checking AirBnB homes for "bugs" 5. 400GB microSD cards for 60$ (e.g. on newegg) 6. the existence of specialty distributions like Kali Nethunter edition for Android phones [1]: https://aarddict.org https://aarddict.org https://play.google.com/store/apps/details?id=itkach.aard2 https://play.google.com/store/apps/details?id=itkach.aard2 [3]: https://play.google.com/store/apps/details?id=com.softwarebakery.drivedroid https://play.google.com/store/apps/details?id=com.softwareba... [4]: https://play.google.com/store/apps/details?id=com.mantz_it.rfanalyzer https://play.google.com/store/apps/details?id=com.mantz_it.r...