add special case for termux to reverse history search

zshrc

@@ -1,4 +1,5 @@
 # Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc.
+
 # Initialization code that may require console input (password prompts, [y/n]
 # confirmations, etc.) must go above this block; everything else may go below.
 if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
@@ -87,10 +88,12 @@ fi
 [ -f ~/.fzf.zsh ] && source ~/.fzf.zsh
 
 # ensure histdb gets ctrl-r for history
-#bindkey '^R' histdb-fzf-widget
-#source ~/.zplug/repos/larkery/zsh-histdb/histdb-interactive.zsh
-#bindkey '^R' _histdb-isearch
+if grep -q "Android" <<< `uname -a`; then
+    source ~/.zplug/repos/larkery/zsh-histdb/histdb-interactive.zsh
+    bindkey '^R' _histdb-isearch
+else
     bindkey '^R' histdb-skim-widget
+fi
 
 # Fix home/end/del silly
 if [[ "$TERM" != emacs ]]; then