App switching, Norwegian characters, ctrl/esc over caps, hyper using Karabiner elements on mac

karabiner.json

{
  "global": {
    "check_for_updates_on_startup": false,
    "show_in_menu_bar": false,
    "show_profile_name_in_menu_bar": false
  },
  "profiles": [
    {
      "complex_modifications": {
        "parameters": {
          "basic.simultaneous_threshold_milliseconds": 50,
          "basic.to_delayed_action_delay_milliseconds": 500,
          "basic.to_if_alone_timeout_milliseconds": 1000,
          "basic.to_if_held_down_threshold_milliseconds": 500
        },
        "rules": [
          {
            "manipulators": [
              {
                "description": "focus mail",
                "from": {
                  "key_code": "4",
                  "modifiers": {
                    "mandatory": [
                      "tab"
                    ]
                  }
                },
                "to": [
                  {
                    "shell_command": "open -a mail"
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "focus slack",
                "from": {
                  "key_code": "3",
                  "modifiers": {
                    "mandatory": [
                      "tab"
                    ]
                  }
                },
                "to": [
                  {
                    "shell_command": "open -a slack"
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "focus firefox",
                "from": {
                  "key_code": "2",
                  "modifiers": {
                    "mandatory": [
                      "tab"
                    ]
                  }
                },
                "to": [
                  {
                    "shell_command": "open -a firefox"
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "focus iterm",
                "from": {
                  "key_code": "1",
                  "modifiers": {
                    "mandatory": [
                      "tab"
                    ]
                  }
                },
                "to": [
                  {
                    "shell_command": "open -a iterm"
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "norsk å",
                "from": {
                  "key_code": "open_bracket",
                  "modifiers": {
                    "mandatory": [
                      "left_shift",
                      "left_command",
                      "left_control",
                      "left_option"
                    ]
                  }
                },
                "to": [
                  {
                    "key_code": "a",
                    "modifiers": [
                      "right_option"
                    ]
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "norsk æ",
                "from": {
                  "key_code": "quote",
                  "modifiers": {
                    "mandatory": [
                      "left_shift",
                      "left_command",
                      "left_control",
                      "left_option"
                    ]
                  }
                },
                "to": [
                  {
                    "key_code": "quote",
                    "modifiers": [
                      "right_option"
                    ]
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "norsk ø",
                "from": {
                  "key_code": "semicolon",
                  "modifiers": {
                    "mandatory": [
                      "left_shift",
                      "left_command",
                      "left_control",
                      "left_option"
                    ]
                  }
                },
                "to": [
                  {
                    "key_code": "o",
                    "modifiers": [
                      "right_option"
                    ]
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "hyper",
                "from": {
                  "key_code": "left_control",
                  "modifiers": {
                    "optional": [
                      "any"
                    ]
                  }
                },
                "to": [
                  {
                    "key_code": "left_shift",
                    "modifiers": [
                      "left_command",
                      "left_control",
                      "left_option"
                    ]
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "caps_to_lctrl_esc",
                "from": {
                  "key_code": "caps_lock",
                  "modifiers": {
                    "optional": [
                      "any"
                    ]
                  }
                },
                "to": [
                  {
                    "key_code": "left_control"
                  }
                ],
                "to_if_alone": [
                  {
                    "key_code": "escape"
                  }
                ],
                "type": "basic"
              }
            ]
          },
          {
            "manipulators": [
              {
                "description": "rctrl_to_lctrl_esc",
                "from": {
                  "key_code": "right_control",
                  "modifiers": {
                    "optional": [
                      "any"
                    ]
                  }
                },
                "to": [
                  {
                    "key_code": "right_control"
                  }
                ],
                "to_if_alone": [
                  {
                    "key_code": "escape"
                  }
                ],
                "type": "basic"
              }
            ]
          }
        ]
      },
      "devices": [],
      "name": "Default profile",
      "selected": true,
      "simple_modifications": [],
      "virtual_hid_keyboard": {
        "caps_lock_delay_milliseconds": 0,
        "keyboard_type": "ansi"
      }
    }
  ]
}