Why is sync not working?
If you are on lollipop or above you need to give the app permission to access contacts
How do I get translate and data saver to work?
To get translate and translate to work you will need to appropriate Google keys
You can do that by going here:
https://www.chromium.org/developers/how-tos/api-keys and getting some keys
To get this to work create a file at the root of the sd card or the downloads directory with the following name: rs_key_file
In it add the following lines:
These key enable the translate to work.
To get the data saver feature to work you will need to get another key for data compression. Just google for this key.
Add the following line:
When you are done you will have file called rs_key_file with the following lines:
Place it in root of sdcard or Downloads folder. Now restart rsbrowser. If you look at the about screen it should have the keys listed. If the correct keys are there data saver and translate should start working.
If you want use the following form to generate the rs_key_file: