Uses App key as Alt when held

keyboard/ergodox_ez/keymaps/keymap_default.c

@@ -38,7 +38,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
         KC_BSPC,        KC_A,         KC_S,   KC_D,   KC_F,   KC_G,
         KC_LSFT,        CTL_T(KC_Z),  KC_X,   KC_C,   KC_V,   KC_B,   MEH_T(KC_NO),
         LT(SYMB,KC_GRV),KC_QUOT,      LALT(KC_LSFT),  KC_LEFT,KC_RGHT,
-                                                      KC_APP, KC_LGUI,
+                                              ALT_T(KC_APP),  KC_LGUI,
                                                               KC_HOME,
                                                KC_SPC,KC_BSPC,KC_END,
         // right hand