My Hannspree tablet running Android 4.4.2 has 3 distinct storage locations: 

* Internal storage - 1GB,
* Internal SD card - 12GB,
* Removable SD card - 32GB.

What's the point of the internal SD card if all the apps insist on using the Internal storage of 1GB? Most of that 1GB is occupied by Google apps I can't delete.

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More information: 

I thought I had moved all the apps that were possible, but I found a few more. Available space has now increased from 119MB to 190MB. With one exception, all the Google apps do not have that option and also many of the others including many of the real space hogs. 

There's a trick I have found useful but its effects are temporary. What I do is uninstall all the Google app updates and that free up around 400MB. When the updates are reapplied, there is still an increase in space. Uninstalling and reinstalling apps like [Firefox](https://play.google.com/store/apps/details?id=org.mozilla.firefox) also has a useful result. 

There seems to be some sort of software level sensor which says that space cannot be allowed to fall below about 100MB. Installing a new app with size 2MB or updating an existing one can fail when space left is 100MB. Perhaps you are familiar with Zinio. It quotes available space as 12GB and then puts data into the 1GB partition?