binary_location = {"chromeOptions": {"binary": "path/to/electron/application"}}

*** Settings ***

Library    Selenium2Library    run_on_failure=Log Source

Variables    vars.py

*** Test Cases ***

Foo

    Create Webdriver    Remote    desired_capabilities=${binary_location}    command_executor=http://localhost:9515

    Sleep    15s

    Click Element    password

    #password is the id of the textfield

    Input Text       password    1234

    [Teardown]    Close All Browsers

binary_location = {"browserName": "chrome", "chromeOptions": {"binary": "path/to/electron/application"}}