My private.xml of Karabiner

private.xml

<?xml version="1.0"?>
<root>
  <appdef>
    <appname>iTERM2</appname>
    <equal>com.googlecode.iterm2</equal>
  </appdef>
  <appdef>
    <appname>MACVIM</appname>
    <equal>org.vim.MacVim</equal>
  </appdef>
  <list>
    <item>
      <name>Leave Insert Mode with EISUU (vim keybind apps)</name>
      <identifier>private.vim_keybind_apps_esc_with_eisuu</identifier>
      <only>iTERM2,TERMINAL,MACVIM</only>
      <autogen>--KeyToKey-- KeyCode::ESCAPE, KeyCode::ESCAPE, KeyCode::JIS_EISUU</autogen>
      <autogen>--KeyToKey-- KeyCode::BRACKET_LEFT, VK_CONTROL, KeyCode::BRACKET_LEFT, VK_CONTROL, KeyCode::JIS_EISUU</autogen>
    </item>
    <item>
      <name>Vim in Preview</name>
      <identifier>private.app_preview_vimium_in_preview</identifier>
      <only>PREVIEW</only>
      <autogen>__KeyToKey__ KeyCode::J, ModifierFlag::NONE, KeyCode::CURSOR_DOWN</autogen>
      <autogen>__KeyToKey__ KeyCode::K, ModifierFlag::NONE, KeyCode::CURSOR_UP</autogen>
      <autogen>__KeyToKey__ KeyCode::H, ModifierFlag::NONE, KeyCode::CURSOR_LEFT</autogen>
      <autogen>__KeyToKey__ KeyCode::L, ModifierFlag::NONE, KeyCode::CURSOR_RIGHT</autogen>
      <autogen>__KeyToKey__ KeyCode::B, ModifierFlag::CONTROL_L, KeyCode::PAGEUP</autogen>
      <autogen>__KeyToKey__ KeyCode::B, ModifierFlag::CONTROL_R, KeyCode::PAGEUP</autogen>
      <autogen>__KeyToKey__ KeyCode::F, ModifierFlag::CONTROL_L, KeyCode::PAGEDOWN</autogen>
      <autogen>__KeyToKey__ KeyCode::F, ModifierFlag::CONTROL_R, KeyCode::PAGEDOWN</autogen>
    </item>
  </list>
</root>